Home / 205,126,980.55-307,690,470.83-61,519,812.55

Finding the Fourth Proportional to 205,126,980.55, 307,690,470.83 and 61,519,812.55

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Solution

The fourth proportional to 205,126,980.55, 307,690,470.83 and 61,519,812.55 is: 92,279,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,126,980.55 : 307,690,470.83 = 61,519,812.55 : x
  2. Step 2: Convert to fraction form
    205,126,980.55/307,690,470.83 = 61,519,812.55/x
  3. Step 3: Cross multiply
    205,126,980.55x = 307,690,470.83 × 61,519,812.55
  4. Step 4: Simplify right side
    205,126,980.55x = 18,929,060,088,882,840
  5. Step 5: Solve for x
    x = 18,929,060,088,882,840/205,126,980.55
  6. Step 6: Final answer
    x = 92,279,718.83

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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.