Home / 78,046,908.35-117,031,407.44-25,517,737.04

Finding the Fourth Proportional to 78,046,908.35, 117,031,407.44 and 25,517,737.04

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Solution

The fourth proportional to 78,046,908.35, 117,031,407.44 and 25,517,737.04 is: 38,263,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,046,908.35 : 117,031,407.44 = 25,517,737.04 : x
  2. Step 2: Convert to fraction form
    78,046,908.35/117,031,407.44 = 25,517,737.04/x
  3. Step 3: Cross multiply
    78,046,908.35x = 117,031,407.44 × 25,517,737.04
  4. Step 4: Simplify right side
    78,046,908.35x = 2,986,376,679,762,274
  5. Step 5: Solve for x
    x = 2,986,376,679,762,274/78,046,908.35
  6. Step 6: Final answer
    x = 38,263,869.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.