Home / 140,273,493.18-193,583,398.88-78,393,829.92

Finding the Fourth Proportional to 140,273,493.18, 193,583,398.88 and 78,393,829.92

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Solution

The fourth proportional to 140,273,493.18, 193,583,398.88 and 78,393,829.92 is: 108,186,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,273,493.18 : 193,583,398.88 = 78,393,829.92 : x
  2. Step 2: Convert to fraction form
    140,273,493.18/193,583,398.88 = 78,393,829.92/x
  3. Step 3: Cross multiply
    140,273,493.18x = 193,583,398.88 × 78,393,829.92
  4. Step 4: Simplify right side
    140,273,493.18x = 15,175,744,047,134,238
  5. Step 5: Solve for x
    x = 15,175,744,047,134,238/140,273,493.18
  6. Step 6: Final answer
    x = 108,186,826.34

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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.