Home / 71,077,879.26-98,070,602.31-43,200,102.78

Finding the Fourth Proportional to 71,077,879.26, 98,070,602.31 and 43,200,102.78

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Solution

The fourth proportional to 71,077,879.26, 98,070,602.31 and 43,200,102.78 is: 59,605,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,077,879.26 : 98,070,602.31 = 43,200,102.78 : x
  2. Step 2: Convert to fraction form
    71,077,879.26/98,070,602.31 = 43,200,102.78/x
  3. Step 3: Cross multiply
    71,077,879.26x = 98,070,602.31 × 43,200,102.78
  4. Step 4: Simplify right side
    71,077,879.26x = 4,236,660,099,488,505.50
  5. Step 5: Solve for x
    x = 4,236,660,099,488,505.50/71,077,879.26
  6. Step 6: Final answer
    x = 59,605,887.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.