Home / 84,118,221.60-126,189,142.20-26,604,495.60

Finding the Fourth Proportional to 84,118,221.60, 126,189,142.20 and 26,604,495.60

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Solution

The fourth proportional to 84,118,221.60, 126,189,142.20 and 26,604,495.60 is: 39,910,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,118,221.60 : 126,189,142.20 = 26,604,495.60 : x
  2. Step 2: Convert to fraction form
    84,118,221.60/126,189,142.20 = 26,604,495.60/x
  3. Step 3: Cross multiply
    84,118,221.60x = 126,189,142.20 × 26,604,495.60
  4. Step 4: Simplify right side
    84,118,221.60x = 3,357,198,478,427,674.50
  5. Step 5: Solve for x
    x = 3,357,198,478,427,674.50/84,118,221.60
  6. Step 6: Final answer
    x = 39,910,478.55

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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.