Home / 233,135,990.21-321,755,878.35-132,688,849.73

Finding the Fourth Proportional to 233,135,990.21, 321,755,878.35 and 132,688,849.73

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Solution

The fourth proportional to 233,135,990.21, 321,755,878.35 and 132,688,849.73 is: 183,126,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,135,990.21 : 321,755,878.35 = 132,688,849.73 : x
  2. Step 2: Convert to fraction form
    233,135,990.21/321,755,878.35 = 132,688,849.73/x
  3. Step 3: Cross multiply
    233,135,990.21x = 321,755,878.35 × 132,688,849.73
  4. Step 4: Simplify right side
    233,135,990.21x = 42,693,417,390,518,536
  5. Step 5: Solve for x
    x = 42,693,417,390,518,536/233,135,990.21
  6. Step 6: Final answer
    x = 183,126,669.34

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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.