Home / 212,084,280.20-318,123,219.06-95,417,249.74

Finding the Fourth Proportional to 212,084,280.20, 318,123,219.06 and 95,417,249.74

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Solution

The fourth proportional to 212,084,280.20, 318,123,219.06 and 95,417,249.74 is: 143,124,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,084,280.20 : 318,123,219.06 = 95,417,249.74 : x
  2. Step 2: Convert to fraction form
    212,084,280.20/318,123,219.06 = 95,417,249.74/x
  3. Step 3: Cross multiply
    212,084,280.20x = 318,123,219.06 × 95,417,249.74
  4. Step 4: Simplify right side
    212,084,280.20x = 30,354,442,640,345,440
  5. Step 5: Solve for x
    x = 30,354,442,640,345,440/212,084,280.20
  6. Step 6: Final answer
    x = 143,124,434.36

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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.