Home / 84,465,216.80-126,745,753.80-45,603,150.92

Finding the Fourth Proportional to 84,465,216.80, 126,745,753.80 and 45,603,150.92

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Solution

The fourth proportional to 84,465,216.80, 126,745,753.80 and 45,603,150.92 is: 68,430,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,465,216.80 : 126,745,753.80 = 45,603,150.92 : x
  2. Step 2: Convert to fraction form
    84,465,216.80/126,745,753.80 = 45,603,150.92/x
  3. Step 3: Cross multiply
    84,465,216.80x = 126,745,753.80 × 45,603,150.92
  4. Step 4: Simplify right side
    84,465,216.80x = 5,780,005,739,010,564
  5. Step 5: Solve for x
    x = 5,780,005,739,010,564/84,465,216.80
  6. Step 6: Final answer
    x = 68,430,603.25

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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.