Home / 84,118,635.60-126,189,763.20-26,604,909.60

Finding the Fourth Proportional to 84,118,635.60, 126,189,763.20 and 26,604,909.60

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Solution

The fourth proportional to 84,118,635.60, 126,189,763.20 and 26,604,909.60 is: 39,911,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,118,635.60 : 126,189,763.20 = 26,604,909.60 : x
  2. Step 2: Convert to fraction form
    84,118,635.60/126,189,763.20 = 26,604,909.60/x
  3. Step 3: Cross multiply
    84,118,635.60x = 126,189,763.20 × 26,604,909.60
  4. Step 4: Simplify right side
    84,118,635.60x = 3,357,267,242,381,407
  5. Step 5: Solve for x
    x = 3,357,267,242,381,407/84,118,635.60
  6. Step 6: Final answer
    x = 39,911,099.58

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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.