Home / 71,702,308,851.40-107,553,463,277.10-36,438,435,008.20

Finding the Fourth Proportional to 71,702,308,851.40, 107,553,463,277.10 and 36,438,435,008.20

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Solution

The fourth proportional to 71,702,308,851.40, 107,553,463,277.10 and 36,438,435,008.20 is: 54,657,652,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,702,308,851.40 : 107,553,463,277.10 = 36,438,435,008.20 : x
  2. Step 2: Convert to fraction form
    71,702,308,851.40/107,553,463,277.10 = 36,438,435,008.20/x
  3. Step 3: Cross multiply
    71,702,308,851.40x = 107,553,463,277.10 × 36,438,435,008.20
  4. Step 4: Simplify right side
    71,702,308,851.40x = 3,919,079,881,529,433,784,320
  5. Step 5: Solve for x
    x = 3,919,079,881,529,433,784,320/71,702,308,851.40
  6. Step 6: Final answer
    x = 54,657,652,512.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.