Home / 80,103,078.97-110,544,422.60-45,300,973.75

Finding the Fourth Proportional to 80,103,078.97, 110,544,422.60 and 45,300,973.75

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Solution

The fourth proportional to 80,103,078.97, 110,544,422.60 and 45,300,973.75 is: 62,516,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,103,078.97 : 110,544,422.60 = 45,300,973.75 : x
  2. Step 2: Convert to fraction form
    80,103,078.97/110,544,422.60 = 45,300,973.75/x
  3. Step 3: Cross multiply
    80,103,078.97x = 110,544,422.60 × 45,300,973.75
  4. Step 4: Simplify right side
    80,103,078.97x = 5,007,769,986,411,506
  5. Step 5: Solve for x
    x = 5,007,769,986,411,506/80,103,078.97
  6. Step 6: Final answer
    x = 62,516,573.03

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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.