Home / 131,868,411.30-197,802,616.95-112,384,865.70

Finding the Fourth Proportional to 131,868,411.30, 197,802,616.95 and 112,384,865.70

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Solution

The fourth proportional to 131,868,411.30, 197,802,616.95 and 112,384,865.70 is: 168,577,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868,411.30 : 197,802,616.95 = 112,384,865.70 : x
  2. Step 2: Convert to fraction form
    131,868,411.30/197,802,616.95 = 112,384,865.70/x
  3. Step 3: Cross multiply
    131,868,411.30x = 197,802,616.95 × 112,384,865.70
  4. Step 4: Simplify right side
    131,868,411.30x = 22,230,020,541,034,292
  5. Step 5: Solve for x
    x = 22,230,020,541,034,292/131,868,411.30
  6. Step 6: Final answer
    x = 168,577,298.55

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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.