Home / 83,177,186.40-124,774,117.20-28,582,581.60

Finding the Fourth Proportional to 83,177,186.40, 124,774,117.20 and 28,582,581.60

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Solution

The fourth proportional to 83,177,186.40, 124,774,117.20 and 28,582,581.60 is: 42,876,737.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,177,186.40 : 124,774,117.20 = 28,582,581.60 : x
  2. Step 2: Convert to fraction form
    83,177,186.40/124,774,117.20 = 28,582,581.60/x
  3. Step 3: Cross multiply
    83,177,186.40x = 124,774,117.20 × 28,582,581.60
  4. Step 4: Simplify right side
    83,177,186.40x = 3,566,366,386,436,964
  5. Step 5: Solve for x
    x = 3,566,366,386,436,964/83,177,186.40
  6. Step 6: Final answer
    x = 42,876,737.49

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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.