Home / 56,086,542.60-84,129,813.90-53,441,147.40

Finding the Fourth Proportional to 56,086,542.60, 84,129,813.90 and 53,441,147.40

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Solution

The fourth proportional to 56,086,542.60, 84,129,813.90 and 53,441,147.40 is: 80,161,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,086,542.60 : 84,129,813.90 = 53,441,147.40 : x
  2. Step 2: Convert to fraction form
    56,086,542.60/84,129,813.90 = 53,441,147.40/x
  3. Step 3: Cross multiply
    56,086,542.60x = 84,129,813.90 × 53,441,147.40
  4. Step 4: Simplify right side
    56,086,542.60x = 4,495,993,785,364,469
  5. Step 5: Solve for x
    x = 4,495,993,785,364,469/56,086,542.60
  6. Step 6: Final answer
    x = 80,161,721.10

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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.