Home / 97,728,962.40-146,593,443.60-72,219,794.40

Finding the Fourth Proportional to 97,728,962.40, 146,593,443.60 and 72,219,794.40

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Solution

The fourth proportional to 97,728,962.40, 146,593,443.60 and 72,219,794.40 is: 108,329,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,728,962.40 : 146,593,443.60 = 72,219,794.40 : x
  2. Step 2: Convert to fraction form
    97,728,962.40/146,593,443.60 = 72,219,794.40/x
  3. Step 3: Cross multiply
    97,728,962.40x = 146,593,443.60 × 72,219,794.40
  4. Step 4: Simplify right side
    97,728,962.40x = 10,586,948,357,179,996
  5. Step 5: Solve for x
    x = 10,586,948,357,179,996/97,728,962.40
  6. Step 6: Final answer
    x = 108,329,691.60

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Similar ratio
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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.