Home / 79,126,763.42-118,485,734.45-54,610,340.33

Finding the Fourth Proportional to 79,126,763.42, 118,485,734.45 and 54,610,340.33

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Solution

The fourth proportional to 79,126,763.42, 118,485,734.45 and 54,610,340.33 is: 81,774,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,126,763.42 : 118,485,734.45 = 54,610,340.33 : x
  2. Step 2: Convert to fraction form
    79,126,763.42/118,485,734.45 = 54,610,340.33/x
  3. Step 3: Cross multiply
    79,126,763.42x = 118,485,734.45 × 54,610,340.33
  4. Step 4: Simplify right side
    79,126,763.42x = 6,470,546,282,587,668
  5. Step 5: Solve for x
    x = 6,470,546,282,587,668/79,126,763.42
  6. Step 6: Final answer
    x = 81,774,433.87

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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.