Home / 100,922,890.07-139,273,641.68-54,513,143.91

Finding the Fourth Proportional to 100,922,890.07, 139,273,641.68 and 54,513,143.91

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Solution

The fourth proportional to 100,922,890.07, 139,273,641.68 and 54,513,143.91 is: 75,228,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,922,890.07 : 139,273,641.68 = 54,513,143.91 : x
  2. Step 2: Convert to fraction form
    100,922,890.07/139,273,641.68 = 54,513,143.91/x
  3. Step 3: Cross multiply
    100,922,890.07x = 139,273,641.68 × 54,513,143.91
  4. Step 4: Simplify right side
    100,922,890.07x = 7,592,244,071,499,049
  5. Step 5: Solve for x
    x = 7,592,244,071,499,049/100,922,890.07
  6. Step 6: Final answer
    x = 75,228,167.43

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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.