Home / 207,790,280.67-286,625,649.54-137,226,540.18

Finding the Fourth Proportional to 207,790,280.67, 286,625,649.54 and 137,226,540.18

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Solution

The fourth proportional to 207,790,280.67, 286,625,649.54 and 137,226,540.18 is: 189,290,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,790,280.67 : 286,625,649.54 = 137,226,540.18 : x
  2. Step 2: Convert to fraction form
    207,790,280.67/286,625,649.54 = 137,226,540.18/x
  3. Step 3: Cross multiply
    207,790,280.67x = 286,625,649.54 × 137,226,540.18
  4. Step 4: Simplify right side
    207,790,280.67x = 39,332,646,213,219,416
  5. Step 5: Solve for x
    x = 39,332,646,213,219,416/207,790,280.67
  6. Step 6: Final answer
    x = 189,290,115.43

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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.