Home / 132,887,712.60-199,331,568.90-114,712,430.40

Finding the Fourth Proportional to 132,887,712.60, 199,331,568.90 and 114,712,430.40

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Solution

The fourth proportional to 132,887,712.60, 199,331,568.90 and 114,712,430.40 is: 172,068,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,887,712.60 : 199,331,568.90 = 114,712,430.40 : x
  2. Step 2: Convert to fraction form
    132,887,712.60/199,331,568.90 = 114,712,430.40/x
  3. Step 3: Cross multiply
    132,887,712.60x = 199,331,568.90 × 114,712,430.40
  4. Step 4: Simplify right side
    132,887,712.60x = 22,865,808,723,964,056
  5. Step 5: Solve for x
    x = 22,865,808,723,964,056/132,887,712.60
  6. Step 6: Final answer
    x = 172,068,645.60

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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.