Home / 339,402,315.95-508,895,121.41-131,898,441.11

Finding the Fourth Proportional to 339,402,315.95, 508,895,121.41 and 131,898,441.11

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Solution

The fourth proportional to 339,402,315.95, 508,895,121.41 and 131,898,441.11 is: 197,766,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,402,315.95 : 508,895,121.41 = 131,898,441.11 : x
  2. Step 2: Convert to fraction form
    339,402,315.95/508,895,121.41 = 131,898,441.11/x
  3. Step 3: Cross multiply
    339,402,315.95x = 508,895,121.41 × 131,898,441.11
  4. Step 4: Simplify right side
    339,402,315.95x = 67,122,473,201,803,688
  5. Step 5: Solve for x
    x = 67,122,473,201,803,688/339,402,315.95
  6. Step 6: Final answer
    x = 197,766,691.76

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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.