Home / 212,084,281.20-318,123,220.56-95,417,250.74

Finding the Fourth Proportional to 212,084,281.20, 318,123,220.56 and 95,417,250.74

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Solution

The fourth proportional to 212,084,281.20, 318,123,220.56 and 95,417,250.74 is: 143,124,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,084,281.20 : 318,123,220.56 = 95,417,250.74 : x
  2. Step 2: Convert to fraction form
    212,084,281.20/318,123,220.56 = 95,417,250.74/x
  3. Step 3: Cross multiply
    212,084,281.20x = 318,123,220.56 × 95,417,250.74
  4. Step 4: Simplify right side
    212,084,281.20x = 30,354,443,102,389,840
  5. Step 5: Solve for x
    x = 30,354,443,102,389,840/212,084,281.20
  6. Step 6: Final answer
    x = 143,124,435.86

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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.