Home / 126,192,557.07-174,174,785.53-73,998,407.86

Finding the Fourth Proportional to 126,192,557.07, 174,174,785.53 and 73,998,407.86

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Solution

The fourth proportional to 126,192,557.07, 174,174,785.53 and 73,998,407.86 is: 102,134,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,192,557.07 : 174,174,785.53 = 73,998,407.86 : x
  2. Step 2: Convert to fraction form
    126,192,557.07/174,174,785.53 = 73,998,407.86/x
  3. Step 3: Cross multiply
    126,192,557.07x = 174,174,785.53 × 73,998,407.86
  4. Step 4: Simplify right side
    126,192,557.07x = 12,888,656,817,956,534
  5. Step 5: Solve for x
    x = 12,888,656,817,956,534/126,192,557.07
  6. Step 6: Final answer
    x = 102,134,841.52

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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.