Home / 83,643,792.60-125,297,727.30-47,700,010.20

Finding the Fourth Proportional to 83,643,792.60, 125,297,727.30 and 47,700,010.20

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Solution

The fourth proportional to 83,643,792.60, 125,297,727.30 and 47,700,010.20 is: 71,454,230.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,643,792.60 : 125,297,727.30 = 47,700,010.20 : x
  2. Step 2: Convert to fraction form
    83,643,792.60/125,297,727.30 = 47,700,010.20/x
  3. Step 3: Cross multiply
    83,643,792.60x = 125,297,727.30 × 47,700,010.20
  4. Step 4: Simplify right side
    83,643,792.60x = 5,976,702,870,246,819
  5. Step 5: Solve for x
    x = 5,976,702,870,246,819/83,643,792.60
  6. Step 6: Final answer
    x = 71,454,230.91

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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.