Home / 80,629,869.59-111,278,666.40-45,827,791.40

Finding the Fourth Proportional to 80,629,869.59, 111,278,666.40 and 45,827,791.40

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Solution

The fourth proportional to 80,629,869.59, 111,278,666.40 and 45,827,791.40 is: 63,247,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,629,869.59 : 111,278,666.40 = 45,827,791.40 : x
  2. Step 2: Convert to fraction form
    80,629,869.59/111,278,666.40 = 45,827,791.40/x
  3. Step 3: Cross multiply
    80,629,869.59x = 111,278,666.40 × 45,827,791.40
  4. Step 4: Simplify right side
    80,629,869.59x = 5,099,655,511,155,732
  5. Step 5: Solve for x
    x = 5,099,655,511,155,732/80,629,869.59
  6. Step 6: Final answer
    x = 63,247,721.19

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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.