Home / 266,171,492.11-398,900,347.95-207,155,131.29

Finding the Fourth Proportional to 266,171,492.11, 398,900,347.95 and 207,155,131.29

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Solution

The fourth proportional to 266,171,492.11, 398,900,347.95 and 207,155,131.29 is: 310,454,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,171,492.11 : 398,900,347.95 = 207,155,131.29 : x
  2. Step 2: Convert to fraction form
    266,171,492.11/398,900,347.95 = 207,155,131.29/x
  3. Step 3: Cross multiply
    266,171,492.11x = 398,900,347.95 × 207,155,131.29
  4. Step 4: Simplify right side
    266,171,492.11x = 82,634,253,951,208,928
  5. Step 5: Solve for x
    x = 82,634,253,951,208,928/266,171,492.11
  6. Step 6: Final answer
    x = 310,454,937.52

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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.