Home / 80,403,909.12-110,977,102.08-45,616,962.24

Finding the Fourth Proportional to 80,403,909.12, 110,977,102.08 and 45,616,962.24

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Solution

The fourth proportional to 80,403,909.12, 110,977,102.08 and 45,616,962.24 is: 62,962,588.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,403,909.12 : 110,977,102.08 = 45,616,962.24 : x
  2. Step 2: Convert to fraction form
    80,403,909.12/110,977,102.08 = 45,616,962.24/x
  3. Step 3: Cross multiply
    80,403,909.12x = 110,977,102.08 × 45,616,962.24
  4. Step 4: Simplify right side
    80,403,909.12x = 5,062,438,275,087,986
  5. Step 5: Solve for x
    x = 5,062,438,275,087,986/80,403,909.12
  6. Step 6: Final answer
    x = 62,962,588.89

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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.