Home / 156,165,304.07-215,382,459.62-137,286,520.40

Finding the Fourth Proportional to 156,165,304.07, 215,382,459.62 and 137,286,520.40

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Solution

The fourth proportional to 156,165,304.07, 215,382,459.62 and 137,286,520.40 is: 189,344,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,165,304.07 : 215,382,459.62 = 137,286,520.40 : x
  2. Step 2: Convert to fraction form
    156,165,304.07/215,382,459.62 = 137,286,520.40/x
  3. Step 3: Cross multiply
    156,165,304.07x = 215,382,459.62 × 137,286,520.40
  4. Step 4: Simplify right side
    156,165,304.07x = 29,569,108,434,659,964
  5. Step 5: Solve for x
    x = 29,569,108,434,659,964/156,165,304.07
  6. Step 6: Final answer
    x = 189,344,929.16

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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.