Home / 83,728,221.90-125,592,332.85-45,408,093.90

Finding the Fourth Proportional to 83,728,221.90, 125,592,332.85 and 45,408,093.90

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Solution

The fourth proportional to 83,728,221.90, 125,592,332.85 and 45,408,093.90 is: 68,112,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,728,221.90 : 125,592,332.85 = 45,408,093.90 : x
  2. Step 2: Convert to fraction form
    83,728,221.90/125,592,332.85 = 45,408,093.90/x
  3. Step 3: Cross multiply
    83,728,221.90x = 125,592,332.85 × 45,408,093.90
  4. Step 4: Simplify right side
    83,728,221.90x = 5,702,908,443,172,854
  5. Step 5: Solve for x
    x = 5,702,908,443,172,854/83,728,221.90
  6. Step 6: Final answer
    x = 68,112,140.85

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1.5x scale

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.