Home / 58,266,128.30-87,399,192.45-20,443,664.30

Finding the Fourth Proportional to 58,266,128.30, 87,399,192.45 and 20,443,664.30

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Solution

The fourth proportional to 58,266,128.30, 87,399,192.45 and 20,443,664.30 is: 30,665,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,266,128.30 : 87,399,192.45 = 20,443,664.30 : x
  2. Step 2: Convert to fraction form
    58,266,128.30/87,399,192.45 = 20,443,664.30/x
  3. Step 3: Cross multiply
    58,266,128.30x = 87,399,192.45 × 20,443,664.30
  4. Step 4: Simplify right side
    58,266,128.30x = 1,786,759,750,538,894.75
  5. Step 5: Solve for x
    x = 1,786,759,750,538,894.75/58,266,128.30
  6. Step 6: Final answer
    x = 30,665,496.45

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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.