Home / 83,728,220.40-125,592,330.60-45,408,092.40

Finding the Fourth Proportional to 83,728,220.40, 125,592,330.60 and 45,408,092.40

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Solution

The fourth proportional to 83,728,220.40, 125,592,330.60 and 45,408,092.40 is: 68,112,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,728,220.40 : 125,592,330.60 = 45,408,092.40 : x
  2. Step 2: Convert to fraction form
    83,728,220.40/125,592,330.60 = 45,408,092.40/x
  3. Step 3: Cross multiply
    83,728,220.40x = 125,592,330.60 × 45,408,092.40
  4. Step 4: Simplify right side
    83,728,220.40x = 5,702,908,152,616,147
  5. Step 5: Solve for x
    x = 5,702,908,152,616,147/83,728,220.40
  6. Step 6: Final answer
    x = 68,112,138.60

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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.