Home / 83,016,786.30-124,578,323.55-48,473,121.30

Finding the Fourth Proportional to 83,016,786.30, 124,578,323.55 and 48,473,121.30

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Solution

The fourth proportional to 83,016,786.30, 124,578,323.55 and 48,473,121.30 is: 72,740,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,016,786.30 : 124,578,323.55 = 48,473,121.30 : x
  2. Step 2: Convert to fraction form
    83,016,786.30/124,578,323.55 = 48,473,121.30/x
  3. Step 3: Cross multiply
    83,016,786.30x = 124,578,323.55 × 48,473,121.30
  4. Step 4: Simplify right side
    83,016,786.30x = 6,038,700,188,789,796
  5. Step 5: Solve for x
    x = 6,038,700,188,789,796/83,016,786.30
  6. Step 6: Final answer
    x = 72,740,712.55

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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.