Home / 70,771,349.61-97,661,321.06-39,411,016.20

Finding the Fourth Proportional to 70,771,349.61, 97,661,321.06 and 39,411,016.20

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Solution

The fourth proportional to 70,771,349.61, 97,661,321.06 and 39,411,016.20 is: 54,385,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,771,349.61 : 97,661,321.06 = 39,411,016.20 : x
  2. Step 2: Convert to fraction form
    70,771,349.61/97,661,321.06 = 39,411,016.20/x
  3. Step 3: Cross multiply
    70,771,349.61x = 97,661,321.06 × 39,411,016.20
  4. Step 4: Simplify right side
    70,771,349.61x = 3,848,931,906,212,006.50
  5. Step 5: Solve for x
    x = 3,848,931,906,212,006.50/70,771,349.61
  6. Step 6: Final answer
    x = 54,385,452.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.