Home / 101,143,308.28-139,577,765.94-54,733,562.68

Finding the Fourth Proportional to 101,143,308.28, 139,577,765.94 and 54,733,562.68

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Solution

The fourth proportional to 101,143,308.28, 139,577,765.94 and 54,733,562.68 is: 75,532,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,308.28 : 139,577,765.94 = 54,733,562.68 : x
  2. Step 2: Convert to fraction form
    101,143,308.28/139,577,765.94 = 54,733,562.68/x
  3. Step 3: Cross multiply
    101,143,308.28x = 139,577,765.94 × 54,733,562.68
  4. Step 4: Simplify right side
    101,143,308.28x = 7,639,588,400,811,359
  5. Step 5: Solve for x
    x = 7,639,588,400,811,359/101,143,308.28
  6. Step 6: Final answer
    x = 75,532,316.78

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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.