Home / 212,084,278.95-318,123,217.18-95,417,248.49

Finding the Fourth Proportional to 212,084,278.95, 318,123,217.18 and 95,417,248.49

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Solution

The fourth proportional to 212,084,278.95, 318,123,217.18 and 95,417,248.49 is: 143,124,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,084,278.95 : 318,123,217.18 = 95,417,248.49 : x
  2. Step 2: Convert to fraction form
    212,084,278.95/318,123,217.18 = 95,417,248.49/x
  3. Step 3: Cross multiply
    212,084,278.95x = 318,123,217.18 × 95,417,248.49
  4. Step 4: Simplify right side
    212,084,278.95x = 30,354,442,064,102,296
  5. Step 5: Solve for x
    x = 30,354,442,064,102,296/212,084,278.95
  6. Step 6: Final answer
    x = 143,124,432.49

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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.