Home / 100,969,545.24-139,337,966.52-54,559,797.84

Finding the Fourth Proportional to 100,969,545.24, 139,337,966.52 and 54,559,797.84

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Solution

The fourth proportional to 100,969,545.24, 139,337,966.52 and 54,559,797.84 is: 75,292,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,969,545.24 : 139,337,966.52 = 54,559,797.84 : x
  2. Step 2: Convert to fraction form
    100,969,545.24/139,337,966.52 = 54,559,797.84/x
  3. Step 3: Cross multiply
    100,969,545.24x = 139,337,966.52 × 54,559,797.84
  4. Step 4: Simplify right side
    100,969,545.24x = 7,602,251,284,767,889
  5. Step 5: Solve for x
    x = 7,602,251,284,767,889/100,969,545.24
  6. Step 6: Final answer
    x = 75,292,517.83

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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.