Home / 149,723,997.90-224,585,996.85-127,805,009.10

Finding the Fourth Proportional to 149,723,997.90, 224,585,996.85 and 127,805,009.10

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Solution

The fourth proportional to 149,723,997.90, 224,585,996.85 and 127,805,009.10 is: 191,707,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,723,997.90 : 224,585,996.85 = 127,805,009.10 : x
  2. Step 2: Convert to fraction form
    149,723,997.90/224,585,996.85 = 127,805,009.10/x
  3. Step 3: Cross multiply
    149,723,997.90x = 224,585,996.85 × 127,805,009.10
  4. Step 4: Simplify right side
    149,723,997.90x = 28,703,215,371,146,820
  5. Step 5: Solve for x
    x = 28,703,215,371,146,820/149,723,997.90
  6. Step 6: Final answer
    x = 191,707,513.65

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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.