Home / 243,452,013.60-365,212,131.12-79,702,586.40

Finding the Fourth Proportional to 243,452,013.60, 365,212,131.12 and 79,702,586.40

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Solution

The fourth proportional to 243,452,013.60, 365,212,131.12 and 79,702,586.40 is: 119,565,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,452,013.60 : 365,212,131.12 = 79,702,586.40 : x
  2. Step 2: Convert to fraction form
    243,452,013.60/365,212,131.12 = 79,702,586.40/x
  3. Step 3: Cross multiply
    243,452,013.60x = 365,212,131.12 × 79,702,586.40
  4. Step 4: Simplify right side
    243,452,013.60x = 29,108,351,434,919,932
  5. Step 5: Solve for x
    x = 29,108,351,434,919,932/243,452,013.60
  6. Step 6: Final answer
    x = 119,565,046.94

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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.