Home / 80,798,796.55-121,215,237.27-26,207,142.31

Finding the Fourth Proportional to 80,798,796.55, 121,215,237.27 and 26,207,142.31

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Solution

The fourth proportional to 80,798,796.55, 121,215,237.27 and 26,207,142.31 is: 39,316,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,798,796.55 : 121,215,237.27 = 26,207,142.31 : x
  2. Step 2: Convert to fraction form
    80,798,796.55/121,215,237.27 = 26,207,142.31/x
  3. Step 3: Cross multiply
    80,798,796.55x = 121,215,237.27 × 26,207,142.31
  4. Step 4: Simplify right side
    80,798,796.55x = 3,176,704,973,275,305.50
  5. Step 5: Solve for x
    x = 3,176,704,973,275,305.50/80,798,796.55
  6. Step 6: Final answer
    x = 39,316,241.19

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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.