Home / 140,498,220.64-210,593,592.96-72,345,002.08

Finding the Fourth Proportional to 140,498,220.64, 210,593,592.96 and 72,345,002.08

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Solution

The fourth proportional to 140,498,220.64, 210,593,592.96 and 72,345,002.08 is: 108,438,340.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,498,220.64 : 210,593,592.96 = 72,345,002.08 : x
  2. Step 2: Convert to fraction form
    140,498,220.64/210,593,592.96 = 72,345,002.08/x
  3. Step 3: Cross multiply
    140,498,220.64x = 210,593,592.96 × 72,345,002.08
  4. Step 4: Simplify right side
    140,498,220.64x = 15,235,393,920,725,874
  5. Step 5: Solve for x
    x = 15,235,393,920,725,874/140,498,220.64
  6. Step 6: Final answer
    x = 108,438,340.72

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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.