Home / 65,405,734.20-98,108,601.30-59,347,306.80

Finding the Fourth Proportional to 65,405,734.20, 98,108,601.30 and 59,347,306.80

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Solution

The fourth proportional to 65,405,734.20, 98,108,601.30 and 59,347,306.80 is: 89,020,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,405,734.20 : 98,108,601.30 = 59,347,306.80 : x
  2. Step 2: Convert to fraction form
    65,405,734.20/98,108,601.30 = 59,347,306.80/x
  3. Step 3: Cross multiply
    65,405,734.20x = 98,108,601.30 × 59,347,306.80
  4. Step 4: Simplify right side
    65,405,734.20x = 5,822,481,261,069,978
  5. Step 5: Solve for x
    x = 5,822,481,261,069,978/65,405,734.20
  6. Step 6: Final answer
    x = 89,020,960.20

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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.