Home / 104,976,015.90-157,464,023.85-85,844,139.90

Finding the Fourth Proportional to 104,976,015.90, 157,464,023.85 and 85,844,139.90

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Solution

The fourth proportional to 104,976,015.90, 157,464,023.85 and 85,844,139.90 is: 128,766,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,015.90 : 157,464,023.85 = 85,844,139.90 : x
  2. Step 2: Convert to fraction form
    104,976,015.90/157,464,023.85 = 85,844,139.90/x
  3. Step 3: Cross multiply
    104,976,015.90x = 157,464,023.85 × 85,844,139.90
  4. Step 4: Simplify right side
    104,976,015.90x = 13,517,363,692,596,338
  5. Step 5: Solve for x
    x = 13,517,363,692,596,338/104,976,015.90
  6. Step 6: Final answer
    x = 128,766,209.85

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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.