Home / 88,138,346.70-132,078,438.45-79,040,426.70

Finding the Fourth Proportional to 88,138,346.70, 132,078,438.45 and 79,040,426.70

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Solution

The fourth proportional to 88,138,346.70, 132,078,438.45 and 79,040,426.70 is: 118,444,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,138,346.70 : 132,078,438.45 = 79,040,426.70 : x
  2. Step 2: Convert to fraction form
    88,138,346.70/132,078,438.45 = 79,040,426.70/x
  3. Step 3: Cross multiply
    88,138,346.70x = 132,078,438.45 × 79,040,426.70
  4. Step 4: Simplify right side
    88,138,346.70x = 10,439,536,132,957,688
  5. Step 5: Solve for x
    x = 10,439,536,132,957,688/88,138,346.70
  6. Step 6: Final answer
    x = 118,444,882.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.