Home / 212,084,275.69-318,123,212.32-95,417,245.23

Finding the Fourth Proportional to 212,084,275.69, 318,123,212.32 and 95,417,245.23

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Solution

The fourth proportional to 212,084,275.69, 318,123,212.32 and 95,417,245.23 is: 143,124,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,084,275.69 : 318,123,212.32 = 95,417,245.23 : x
  2. Step 2: Convert to fraction form
    212,084,275.69/318,123,212.32 = 95,417,245.23/x
  3. Step 3: Cross multiply
    212,084,275.69x = 318,123,212.32 × 95,417,245.23
  4. Step 4: Simplify right side
    212,084,275.69x = 30,354,440,563,471,352
  5. Step 5: Solve for x
    x = 30,354,440,563,471,352/212,084,275.69
  6. Step 6: Final answer
    x = 143,124,427.61

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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.