Home / 65,405,791.20-98,108,686.80-59,347,363.80

Finding the Fourth Proportional to 65,405,791.20, 98,108,686.80 and 59,347,363.80

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Solution

The fourth proportional to 65,405,791.20, 98,108,686.80 and 59,347,363.80 is: 89,021,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,405,791.20 : 98,108,686.80 = 59,347,363.80 : x
  2. Step 2: Convert to fraction form
    65,405,791.20/98,108,686.80 = 59,347,363.80/x
  3. Step 3: Cross multiply
    65,405,791.20x = 98,108,686.80 × 59,347,363.80
  4. Step 4: Simplify right side
    65,405,791.20x = 5,822,491,927,459,857
  5. Step 5: Solve for x
    x = 5,822,491,927,459,857/65,405,791.20
  6. Step 6: Final answer
    x = 89,021,045.70

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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.