Home / 84,118,507.60-126,189,571.20-26,604,781.60

Finding the Fourth Proportional to 84,118,507.60, 126,189,571.20 and 26,604,781.60

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Solution

The fourth proportional to 84,118,507.60, 126,189,571.20 and 26,604,781.60 is: 39,910,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,118,507.60 : 126,189,571.20 = 26,604,781.60 : x
  2. Step 2: Convert to fraction form
    84,118,507.60/126,189,571.20 = 26,604,781.60/x
  3. Step 3: Cross multiply
    84,118,507.60x = 126,189,571.20 × 26,604,781.60
  4. Step 4: Simplify right side
    84,118,507.60x = 3,357,245,981,973,650
  5. Step 5: Solve for x
    x = 3,357,245,981,973,650/84,118,507.60
  6. Step 6: Final answer
    x = 39,910,907.57

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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.