Home / 132,868,337.60-199,153,207.20-68,147,134.40

Finding the Fourth Proportional to 132,868,337.60, 199,153,207.20 and 68,147,134.40

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Solution

The fourth proportional to 132,868,337.60, 199,153,207.20 and 68,147,134.40 is: 102,144,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868,337.60 : 199,153,207.20 = 68,147,134.40 : x
  2. Step 2: Convert to fraction form
    132,868,337.60/199,153,207.20 = 68,147,134.40/x
  3. Step 3: Cross multiply
    132,868,337.60x = 199,153,207.20 × 68,147,134.40
  4. Step 4: Simplify right side
    132,868,337.60x = 13,571,720,377,249,448
  5. Step 5: Solve for x
    x = 13,571,720,377,249,448/132,868,337.60
  6. Step 6: Final answer
    x = 102,144,127.20

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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.