Home / 372,051,521.70-513,427,025.57-204,784,206.72

Finding the Fourth Proportional to 372,051,521.70, 513,427,025.57 and 204,784,206.72

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Solution

The fourth proportional to 372,051,521.70, 513,427,025.57 and 204,784,206.72 is: 282,599,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,051,521.70 : 513,427,025.57 = 204,784,206.72 : x
  2. Step 2: Convert to fraction form
    372,051,521.70/513,427,025.57 = 204,784,206.72/x
  3. Step 3: Cross multiply
    372,051,521.70x = 513,427,025.57 × 204,784,206.72
  4. Step 4: Simplify right side
    372,051,521.70x = 105,141,746,138,937,680
  5. Step 5: Solve for x
    x = 105,141,746,138,937,680/372,051,521.70
  6. Step 6: Final answer
    x = 282,599,962.66

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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.