Home / 81,490,803.28-112,459,436.04-44,822,336.56

Finding the Fourth Proportional to 81,490,803.28, 112,459,436.04 and 44,822,336.56

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Solution

The fourth proportional to 81,490,803.28, 112,459,436.04 and 44,822,336.56 is: 61,855,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,490,803.28 : 112,459,436.04 = 44,822,336.56 : x
  2. Step 2: Convert to fraction form
    81,490,803.28/112,459,436.04 = 44,822,336.56/x
  3. Step 3: Cross multiply
    81,490,803.28x = 112,459,436.04 × 44,822,336.56
  4. Step 4: Simplify right side
    81,490,803.28x = 5,040,694,691,532,674
  5. Step 5: Solve for x
    x = 5,040,694,691,532,674/81,490,803.28
  6. Step 6: Final answer
    x = 61,855,994.65

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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.