Home / 275,411,358.24-413,171,557.08-78,676,469.52

Finding the Fourth Proportional to 275,411,358.24, 413,171,557.08 and 78,676,469.52

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Solution

The fourth proportional to 275,411,358.24, 413,171,557.08 and 78,676,469.52 is: 118,030,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,411,358.24 : 413,171,557.08 = 78,676,469.52 : x
  2. Step 2: Convert to fraction form
    275,411,358.24/413,171,557.08 = 78,676,469.52/x
  3. Step 3: Cross multiply
    275,411,358.24x = 413,171,557.08 × 78,676,469.52
  4. Step 4: Simplify right side
    275,411,358.24x = 32,506,879,417,135,556
  5. Step 5: Solve for x
    x = 32,506,879,417,135,556/275,411,358.24
  6. Step 6: Final answer
    x = 118,030,278.87

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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.