Home / 112,784,592.38-155,642,737.48-63,892,020.38

Finding the Fourth Proportional to 112,784,592.38, 155,642,737.48 and 63,892,020.38

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Solution

The fourth proportional to 112,784,592.38, 155,642,737.48 and 63,892,020.38 is: 88,170,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,784,592.38 : 155,642,737.48 = 63,892,020.38 : x
  2. Step 2: Convert to fraction form
    112,784,592.38/155,642,737.48 = 63,892,020.38/x
  3. Step 3: Cross multiply
    112,784,592.38x = 155,642,737.48 × 63,892,020.38
  4. Step 4: Simplify right side
    112,784,592.38x = 9,944,328,954,133,206
  5. Step 5: Solve for x
    x = 9,944,328,954,133,206/112,784,592.38
  6. Step 6: Final answer
    x = 88,170,988.12

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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.