Home / 178,446,296.80-267,682,239.12-74,711,113.12

Finding the Fourth Proportional to 178,446,296.80, 267,682,239.12 and 74,711,113.12

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Solution

The fourth proportional to 178,446,296.80, 267,682,239.12 and 74,711,113.12 is: 112,072,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,446,296.80 : 267,682,239.12 = 74,711,113.12 : x
  2. Step 2: Convert to fraction form
    178,446,296.80/267,682,239.12 = 74,711,113.12/x
  3. Step 3: Cross multiply
    178,446,296.80x = 267,682,239.12 × 74,711,113.12
  4. Step 4: Simplify right side
    178,446,296.80x = 19,998,838,047,109,212
  5. Step 5: Solve for x
    x = 19,998,838,047,109,212/178,446,296.80
  6. Step 6: Final answer
    x = 112,072,026.18

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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.