Home / 57,934,929.80-86,912,892.30-29,108,520.20

Finding the Fourth Proportional to 57,934,929.80, 86,912,892.30 and 29,108,520.20

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Solution

The fourth proportional to 57,934,929.80, 86,912,892.30 and 29,108,520.20 is: 43,668,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,934,929.80 : 86,912,892.30 = 29,108,520.20 : x
  2. Step 2: Convert to fraction form
    57,934,929.80/86,912,892.30 = 29,108,520.20/x
  3. Step 3: Cross multiply
    57,934,929.80x = 86,912,892.30 × 29,108,520.20
  4. Step 4: Simplify right side
    57,934,929.80x = 2,529,905,681,154,974.50
  5. Step 5: Solve for x
    x = 2,529,905,681,154,974.50/57,934,929.80
  6. Step 6: Final answer
    x = 43,668,054.66

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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.