Home / 71,789,495.36-99,068,990.88-39,194,446.40

Finding the Fourth Proportional to 71,789,495.36, 99,068,990.88 and 39,194,446.40

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Solution

The fourth proportional to 71,789,495.36, 99,068,990.88 and 39,194,446.40 is: 54,088,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,789,495.36 : 99,068,990.88 = 39,194,446.40 : x
  2. Step 2: Convert to fraction form
    71,789,495.36/99,068,990.88 = 39,194,446.40/x
  3. Step 3: Cross multiply
    71,789,495.36x = 99,068,990.88 × 39,194,446.40
  4. Step 4: Simplify right side
    71,789,495.36x = 3,882,954,252,948,248.50
  5. Step 5: Solve for x
    x = 3,882,954,252,948,248.50/71,789,495.36
  6. Step 6: Final answer
    x = 54,088,056.11

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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.