Home / 140,287,002.15-210,430,503.23-137,895,517.65

Finding the Fourth Proportional to 140,287,002.15, 210,430,503.23 and 137,895,517.65

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Solution

The fourth proportional to 140,287,002.15, 210,430,503.23 and 137,895,517.65 is: 206,843,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,287,002.15 : 210,430,503.23 = 137,895,517.65 : x
  2. Step 2: Convert to fraction form
    140,287,002.15/210,430,503.23 = 137,895,517.65/x
  3. Step 3: Cross multiply
    140,287,002.15x = 210,430,503.23 × 137,895,517.65
  4. Step 4: Simplify right side
    140,287,002.15x = 29,017,423,171,561,368
  5. Step 5: Solve for x
    x = 29,017,423,171,561,368/140,287,002.15
  6. Step 6: Final answer
    x = 206,843,276.48

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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.