Home / 117,449,487.20-176,174,230.80-115,182,005.60

Finding the Fourth Proportional to 117,449,487.20, 176,174,230.80 and 115,182,005.60

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Solution

The fourth proportional to 117,449,487.20, 176,174,230.80 and 115,182,005.60 is: 172,773,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,449,487.20 : 176,174,230.80 = 115,182,005.60 : x
  2. Step 2: Convert to fraction form
    117,449,487.20/176,174,230.80 = 115,182,005.60/x
  3. Step 3: Cross multiply
    117,449,487.20x = 176,174,230.80 × 115,182,005.60
  4. Step 4: Simplify right side
    117,449,487.20x = 20,292,101,238,581,292
  5. Step 5: Solve for x
    x = 20,292,101,238,581,292/117,449,487.20
  6. Step 6: Final answer
    x = 172,773,008.40

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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.