Home / 75,275,717.62-103,882,281.16-42,238,410.98

Finding the Fourth Proportional to 75,275,717.62, 103,882,281.16 and 42,238,410.98

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Solution

The fourth proportional to 75,275,717.62, 103,882,281.16 and 42,238,410.98 is: 58,290,012.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,275,717.62 : 103,882,281.16 = 42,238,410.98 : x
  2. Step 2: Convert to fraction form
    75,275,717.62/103,882,281.16 = 42,238,410.98/x
  3. Step 3: Cross multiply
    75,275,717.62x = 103,882,281.16 × 42,238,410.98
  4. Step 4: Simplify right side
    75,275,717.62x = 4,387,822,485,175,990.50
  5. Step 5: Solve for x
    x = 4,387,822,485,175,990.50/75,275,717.62
  6. Step 6: Final answer
    x = 58,290,012.02

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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.