Home / 149,538,111.40-224,538,114.30-81,513,663.40

Finding the Fourth Proportional to 149,538,111.40, 224,538,114.30 and 81,513,663.40

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Solution

The fourth proportional to 149,538,111.40, 224,538,114.30 and 81,513,663.40 is: 122,396,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,538,111.40 : 224,538,114.30 = 81,513,663.40 : x
  2. Step 2: Convert to fraction form
    149,538,111.40/224,538,114.30 = 81,513,663.40/x
  3. Step 3: Cross multiply
    149,538,111.40x = 224,538,114.30 × 81,513,663.40
  4. Step 4: Simplify right side
    149,538,111.40x = 18,302,924,269,520,928
  5. Step 5: Solve for x
    x = 18,302,924,269,520,928/149,538,111.40
  6. Step 6: Final answer
    x = 122,396,385.10

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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.