Home / 76,920,023.60-115,380,035.40-25,789,713.20

Finding the Fourth Proportional to 76,920,023.60, 115,380,035.40 and 25,789,713.20

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Solution

The fourth proportional to 76,920,023.60, 115,380,035.40 and 25,789,713.20 is: 38,684,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,920,023.60 : 115,380,035.40 = 25,789,713.20 : x
  2. Step 2: Convert to fraction form
    76,920,023.60/115,380,035.40 = 25,789,713.20/x
  3. Step 3: Cross multiply
    76,920,023.60x = 115,380,035.40 × 25,789,713.20
  4. Step 4: Simplify right side
    76,920,023.60x = 2,975,618,021,971,847.50
  5. Step 5: Solve for x
    x = 2,975,618,021,971,847.50/76,920,023.60
  6. Step 6: Final answer
    x = 38,684,569.80

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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.