Home / 81,490,800.78-112,459,432.59-44,822,334.06

Finding the Fourth Proportional to 81,490,800.78, 112,459,432.59 and 44,822,334.06

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Solution

The fourth proportional to 81,490,800.78, 112,459,432.59 and 44,822,334.06 is: 61,855,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,490,800.78 : 112,459,432.59 = 44,822,334.06 : x
  2. Step 2: Convert to fraction form
    81,490,800.78/112,459,432.59 = 44,822,334.06/x
  3. Step 3: Cross multiply
    81,490,800.78x = 112,459,432.59 × 44,822,334.06
  4. Step 4: Simplify right side
    81,490,800.78x = 5,040,694,255,747,031
  5. Step 5: Solve for x
    x = 5,040,694,255,747,031/81,490,800.78
  6. Step 6: Final answer
    x = 61,855,991.20

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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.