Home / 217,254,411.56-299,737,717.60-123,158,470.52

Finding the Fourth Proportional to 217,254,411.56, 299,737,717.60 and 123,158,470.52

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Solution

The fourth proportional to 217,254,411.56, 299,737,717.60 and 123,158,470.52 is: 169,917,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,254,411.56 : 299,737,717.60 = 123,158,470.52 : x
  2. Step 2: Convert to fraction form
    217,254,411.56/299,737,717.60 = 123,158,470.52/x
  3. Step 3: Cross multiply
    217,254,411.56x = 299,737,717.60 × 123,158,470.52
  4. Step 4: Simplify right side
    217,254,411.56x = 36,915,238,856,771,688
  5. Step 5: Solve for x
    x = 36,915,238,856,771,688/217,254,411.56
  6. Step 6: Final answer
    x = 169,917,096.70

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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.