Home / 83,055,005.70-124,582,508.55-39,913,806.30

Finding the Fourth Proportional to 83,055,005.70, 124,582,508.55 and 39,913,806.30

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Solution

The fourth proportional to 83,055,005.70, 124,582,508.55 and 39,913,806.30 is: 59,870,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,055,005.70 : 124,582,508.55 = 39,913,806.30 : x
  2. Step 2: Convert to fraction form
    83,055,005.70/124,582,508.55 = 39,913,806.30/x
  3. Step 3: Cross multiply
    83,055,005.70x = 124,582,508.55 × 39,913,806.30
  4. Step 4: Simplify right side
    83,055,005.70x = 4,972,562,114,632,793
  5. Step 5: Solve for x
    x = 4,972,562,114,632,793/83,055,005.70
  6. Step 6: Final answer
    x = 59,870,709.45

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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.