Home / 156,165,307.07-215,382,463.74-137,286,523.40

Finding the Fourth Proportional to 156,165,307.07, 215,382,463.74 and 137,286,523.40

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Solution

The fourth proportional to 156,165,307.07, 215,382,463.74 and 137,286,523.40 is: 189,344,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,165,307.07 : 215,382,463.74 = 137,286,523.40 : x
  2. Step 2: Convert to fraction form
    156,165,307.07/215,382,463.74 = 137,286,523.40/x
  3. Step 3: Cross multiply
    156,165,307.07x = 215,382,463.74 × 137,286,523.40
  4. Step 4: Simplify right side
    156,165,307.07x = 29,569,109,647,114,252
  5. Step 5: Solve for x
    x = 29,569,109,647,114,252/156,165,307.07
  6. Step 6: Final answer
    x = 189,344,933.28

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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.