Home / 339,402,312.20-508,895,115.78-131,898,437.36

Finding the Fourth Proportional to 339,402,312.20, 508,895,115.78 and 131,898,437.36

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Solution

The fourth proportional to 339,402,312.20, 508,895,115.78 and 131,898,437.36 is: 197,766,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,402,312.20 : 508,895,115.78 = 131,898,437.36 : x
  2. Step 2: Convert to fraction form
    339,402,312.20/508,895,115.78 = 131,898,437.36/x
  3. Step 3: Cross multiply
    339,402,312.20x = 508,895,115.78 × 131,898,437.36
  4. Step 4: Simplify right side
    339,402,312.20x = 67,122,470,551,518,272
  5. Step 5: Solve for x
    x = 67,122,470,551,518,272/339,402,312.20
  6. Step 6: Final answer
    x = 197,766,686.14

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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.