Home / 321,438,259.86-482,105,732.85-88,214,480.34

Finding the Fourth Proportional to 321,438,259.86, 482,105,732.85 and 88,214,480.34

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Solution

The fourth proportional to 321,438,259.86, 482,105,732.85 and 88,214,480.34 is: 132,307,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,438,259.86 : 482,105,732.85 = 88,214,480.34 : x
  2. Step 2: Convert to fraction form
    321,438,259.86/482,105,732.85 = 88,214,480.34/x
  3. Step 3: Cross multiply
    321,438,259.86x = 482,105,732.85 × 88,214,480.34
  4. Step 4: Simplify right side
    321,438,259.86x = 42,528,706,692,297,624
  5. Step 5: Solve for x
    x = 42,528,706,692,297,624/321,438,259.86
  6. Step 6: Final answer
    x = 132,307,543.95

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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.