Home / 83,232,002.70-124,848,004.05-60,405,813.90

Finding the Fourth Proportional to 83,232,002.70, 124,848,004.05 and 60,405,813.90

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Solution

The fourth proportional to 83,232,002.70, 124,848,004.05 and 60,405,813.90 is: 90,608,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,232,002.70 : 124,848,004.05 = 60,405,813.90 : x
  2. Step 2: Convert to fraction form
    83,232,002.70/124,848,004.05 = 60,405,813.90/x
  3. Step 3: Cross multiply
    83,232,002.70x = 124,848,004.05 × 60,405,813.90
  4. Step 4: Simplify right side
    83,232,002.70x = 7,541,545,298,430,746
  5. Step 5: Solve for x
    x = 7,541,545,298,430,746/83,232,002.70
  6. Step 6: Final answer
    x = 90,608,720.85

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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.