Home / 117,522,416.80-176,283,625.20-87,289,328.80

Finding the Fourth Proportional to 117,522,416.80, 176,283,625.20 and 87,289,328.80

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Solution

The fourth proportional to 117,522,416.80, 176,283,625.20 and 87,289,328.80 is: 130,933,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,522,416.80 : 176,283,625.20 = 87,289,328.80 : x
  2. Step 2: Convert to fraction form
    117,522,416.80/176,283,625.20 = 87,289,328.80/x
  3. Step 3: Cross multiply
    117,522,416.80x = 176,283,625.20 × 87,289,328.80
  4. Step 4: Simplify right side
    117,522,416.80x = 15,387,679,322,138,764
  5. Step 5: Solve for x
    x = 15,387,679,322,138,764/117,522,416.80
  6. Step 6: Final answer
    x = 130,933,993.20

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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.