Home / 101,143,197.40-139,577,612.90-54,733,451.78

Finding the Fourth Proportional to 101,143,197.40, 139,577,612.90 and 54,733,451.78

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Solution

The fourth proportional to 101,143,197.40, 139,577,612.90 and 54,733,451.78 is: 75,532,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,197.40 : 139,577,612.90 = 54,733,451.78 : x
  2. Step 2: Convert to fraction form
    101,143,197.40/139,577,612.90 = 54,733,451.78/x
  3. Step 3: Cross multiply
    101,143,197.40x = 139,577,612.90 × 54,733,451.78
  4. Step 4: Simplify right side
    101,143,197.40x = 7,639,564,545,229,656
  5. Step 5: Solve for x
    x = 7,639,564,545,229,656/101,143,197.40
  6. Step 6: Final answer
    x = 75,532,163.72

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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.