Home / 117,612,145.60-176,418,218.40-113,148,041.20

Finding the Fourth Proportional to 117,612,145.60, 176,418,218.40 and 113,148,041.20

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Solution

The fourth proportional to 117,612,145.60, 176,418,218.40 and 113,148,041.20 is: 169,722,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,612,145.60 : 176,418,218.40 = 113,148,041.20 : x
  2. Step 2: Convert to fraction form
    117,612,145.60/176,418,218.40 = 113,148,041.20/x
  3. Step 3: Cross multiply
    117,612,145.60x = 176,418,218.40 × 113,148,041.20
  4. Step 4: Simplify right side
    117,612,145.60x = 19,961,375,843,953,800
  5. Step 5: Solve for x
    x = 19,961,375,843,953,800/117,612,145.60
  6. Step 6: Final answer
    x = 169,722,061.80

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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.