Home / 68,609,473.74-94,668,722.46-38,839,921.20

Finding the Fourth Proportional to 68,609,473.74, 94,668,722.46 and 38,839,921.20

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Solution

The fourth proportional to 68,609,473.74, 94,668,722.46 and 38,839,921.20 is: 53,592,099.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,609,473.74 : 94,668,722.46 = 38,839,921.20 : x
  2. Step 2: Convert to fraction form
    68,609,473.74/94,668,722.46 = 38,839,921.20/x
  3. Step 3: Cross multiply
    68,609,473.74x = 94,668,722.46 × 38,839,921.20
  4. Step 4: Simplify right side
    68,609,473.74x = 3,676,925,720,451,070
  5. Step 5: Solve for x
    x = 3,676,925,720,451,070/68,609,473.74
  6. Step 6: Final answer
    x = 53,592,099.17

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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.