Home / 84,602,923.74-126,904,823.46-38,512,559.88

Finding the Fourth Proportional to 84,602,923.74, 126,904,823.46 and 38,512,559.88

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Solution

The fourth proportional to 84,602,923.74, 126,904,823.46 and 38,512,559.88 is: 57,769,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,602,923.74 : 126,904,823.46 = 38,512,559.88 : x
  2. Step 2: Convert to fraction form
    84,602,923.74/126,904,823.46 = 38,512,559.88/x
  3. Step 3: Cross multiply
    84,602,923.74x = 126,904,823.46 × 38,512,559.88
  4. Step 4: Simplify right side
    84,602,923.74x = 4,887,429,612,564,079
  5. Step 5: Solve for x
    x = 4,887,429,612,564,079/84,602,923.74
  6. Step 6: Final answer
    x = 57,769,039.14

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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.