Home / 84,341,880.30-126,512,820.45-50,301,662.70

Finding the Fourth Proportional to 84,341,880.30, 126,512,820.45 and 50,301,662.70

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Solution

The fourth proportional to 84,341,880.30, 126,512,820.45 and 50,301,662.70 is: 75,452,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,341,880.30 : 126,512,820.45 = 50,301,662.70 : x
  2. Step 2: Convert to fraction form
    84,341,880.30/126,512,820.45 = 50,301,662.70/x
  3. Step 3: Cross multiply
    84,341,880.30x = 126,512,820.45 × 50,301,662.70
  4. Step 4: Simplify right side
    84,341,880.30x = 6,363,805,221,501,563
  5. Step 5: Solve for x
    x = 6,363,805,221,501,563/84,341,880.30
  6. Step 6: Final answer
    x = 75,452,494.05

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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.