Home / 80,281,646.20-110,785,122.66-45,473,638.60

Finding the Fourth Proportional to 80,281,646.20, 110,785,122.66 and 45,473,638.60

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Solution

The fourth proportional to 80,281,646.20, 110,785,122.66 and 45,473,638.60 is: 62,751,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,281,646.20 : 110,785,122.66 = 45,473,638.60 : x
  2. Step 2: Convert to fraction form
    80,281,646.20/110,785,122.66 = 45,473,638.60/x
  3. Step 3: Cross multiply
    80,281,646.20x = 110,785,122.66 × 45,473,638.60
  4. Step 4: Simplify right side
    80,281,646.20x = 5,037,802,630,097,511
  5. Step 5: Solve for x
    x = 5,037,802,630,097,511/80,281,646.20
  6. Step 6: Final answer
    x = 62,751,610.97

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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.