Home / 97,123,331.20-145,684,996.80-25,319,747.20

Finding the Fourth Proportional to 97,123,331.20, 145,684,996.80 and 25,319,747.20

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Solution

The fourth proportional to 97,123,331.20, 145,684,996.80 and 25,319,747.20 is: 37,979,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,123,331.20 : 145,684,996.80 = 25,319,747.20 : x
  2. Step 2: Convert to fraction form
    97,123,331.20/145,684,996.80 = 25,319,747.20/x
  3. Step 3: Cross multiply
    97,123,331.20x = 145,684,996.80 × 25,319,747.20
  4. Step 4: Simplify right side
    97,123,331.20x = 3,688,707,289,808,809
  5. Step 5: Solve for x
    x = 3,688,707,289,808,809/97,123,331.20
  6. Step 6: Final answer
    x = 37,979,620.80

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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.