Home / 71,610,234.40-107,163,409.20-65,563,616.80

Finding the Fourth Proportional to 71,610,234.40, 107,163,409.20 and 65,563,616.80

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Solution

The fourth proportional to 71,610,234.40, 107,163,409.20 and 65,563,616.80 is: 98,114,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,610,234.40 : 107,163,409.20 = 65,563,616.80 : x
  2. Step 2: Convert to fraction form
    71,610,234.40/107,163,409.20 = 65,563,616.80/x
  3. Step 3: Cross multiply
    71,610,234.40x = 107,163,409.20 × 65,563,616.80
  4. Step 4: Simplify right side
    71,610,234.40x = 7,026,020,695,770,394
  5. Step 5: Solve for x
    x = 7,026,020,695,770,394/71,610,234.40
  6. Step 6: Final answer
    x = 98,114,756.29

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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.