Home / 135,742,790-187,323,475.56-73,862,062.40

Finding the Fourth Proportional to 135,742,790, 187,323,475.56 and 73,862,062.40

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Solution

The fourth proportional to 135,742,790, 187,323,475.56 and 73,862,062.40 is: 101,928,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,742,790 : 187,323,475.56 = 73,862,062.40 : x
  2. Step 2: Convert to fraction form
    135,742,790/187,323,475.56 = 73,862,062.40/x
  3. Step 3: Cross multiply
    135,742,790x = 187,323,475.56 × 73,862,062.40
  4. Step 4: Simplify right side
    135,742,790x = 13,836,098,240,797,596
  5. Step 5: Solve for x
    x = 13,836,098,240,797,596/135,742,790
  6. Step 6: Final answer
    x = 101,928,789.30

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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.