Home / 90,535,742.28-135,813,283.20-38,725,704.72

Finding the Fourth Proportional to 90,535,742.28, 135,813,283.20 and 38,725,704.72

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Solution

The fourth proportional to 90,535,742.28, 135,813,283.20 and 38,725,704.72 is: 58,092,693.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,535,742.28 : 135,813,283.20 = 38,725,704.72 : x
  2. Step 2: Convert to fraction form
    90,535,742.28/135,813,283.20 = 38,725,704.72/x
  3. Step 3: Cross multiply
    90,535,742.28x = 135,813,283.20 × 38,725,704.72
  4. Step 4: Simplify right side
    90,535,742.28x = 5,259,465,102,256,936
  5. Step 5: Solve for x
    x = 5,259,465,102,256,936/90,535,742.28
  6. Step 6: Final answer
    x = 58,092,693.23

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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.