Home / 104,976,010.90-157,464,016.35-85,844,134.90

Finding the Fourth Proportional to 104,976,010.90, 157,464,016.35 and 85,844,134.90

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Solution

The fourth proportional to 104,976,010.90, 157,464,016.35 and 85,844,134.90 is: 128,766,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,010.90 : 157,464,016.35 = 85,844,134.90 : x
  2. Step 2: Convert to fraction form
    104,976,010.90/157,464,016.35 = 85,844,134.90/x
  3. Step 3: Cross multiply
    104,976,010.90x = 157,464,016.35 × 85,844,134.90
  4. Step 4: Simplify right side
    104,976,010.90x = 13,517,362,261,445,206
  5. Step 5: Solve for x
    x = 13,517,362,261,445,206/104,976,010.90
  6. Step 6: Final answer
    x = 128,766,202.35

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Double scale
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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.