Home / 75,325,155.28-103,948,296.45-42,285,395.62

Finding the Fourth Proportional to 75,325,155.28, 103,948,296.45 and 42,285,395.62

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Solution

The fourth proportional to 75,325,155.28, 103,948,296.45 and 42,285,395.62 is: 58,353,611.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,325,155.28 : 103,948,296.45 = 42,285,395.62 : x
  2. Step 2: Convert to fraction form
    75,325,155.28/103,948,296.45 = 42,285,395.62/x
  3. Step 3: Cross multiply
    75,325,155.28x = 103,948,296.45 × 42,285,395.62
  4. Step 4: Simplify right side
    75,325,155.28x = 4,395,494,839,413,291.50
  5. Step 5: Solve for x
    x = 4,395,494,839,413,291.50/75,325,155.28
  6. Step 6: Final answer
    x = 58,353,611.39

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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.