Home / 75,168,844.04-103,741,610.18-42,138,014.44

Finding the Fourth Proportional to 75,168,844.04, 103,741,610.18 and 42,138,014.44

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Solution

The fourth proportional to 75,168,844.04, 103,741,610.18 and 42,138,014.44 is: 58,155,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,168,844.04 : 103,741,610.18 = 42,138,014.44 : x
  2. Step 2: Convert to fraction form
    75,168,844.04/103,741,610.18 = 42,138,014.44/x
  3. Step 3: Cross multiply
    75,168,844.04x = 103,741,610.18 × 42,138,014.44
  4. Step 4: Simplify right side
    75,168,844.04x = 4,371,465,467,793,691
  5. Step 5: Solve for x
    x = 4,371,465,467,793,691/75,168,844.04
  6. Step 6: Final answer
    x = 58,155,283.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.