Home / 77,711,981.78-107,251,939.08-44,229,602.04

Finding the Fourth Proportional to 77,711,981.78, 107,251,939.08 and 44,229,602.04

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Solution

The fourth proportional to 77,711,981.78, 107,251,939.08 and 44,229,602.04 is: 61,042,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,711,981.78 : 107,251,939.08 = 44,229,602.04 : x
  2. Step 2: Convert to fraction form
    77,711,981.78/107,251,939.08 = 44,229,602.04/x
  3. Step 3: Cross multiply
    77,711,981.78x = 107,251,939.08 × 44,229,602.04
  4. Step 4: Simplify right side
    77,711,981.78x = 4,743,710,583,526,724
  5. Step 5: Solve for x
    x = 4,743,710,583,526,724/77,711,981.78
  6. Step 6: Final answer
    x = 61,042,203.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.