Home / 85,083,584.10-127,625,376.15-83,194,016.10

Finding the Fourth Proportional to 85,083,584.10, 127,625,376.15 and 83,194,016.10

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Solution

The fourth proportional to 85,083,584.10, 127,625,376.15 and 83,194,016.10 is: 124,791,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,083,584.10 : 127,625,376.15 = 83,194,016.10 : x
  2. Step 2: Convert to fraction form
    85,083,584.10/127,625,376.15 = 83,194,016.10/x
  3. Step 3: Cross multiply
    85,083,584.10x = 127,625,376.15 × 83,194,016.10
  4. Step 4: Simplify right side
    85,083,584.10x = 10,617,667,598,191,656
  5. Step 5: Solve for x
    x = 10,617,667,598,191,656/85,083,584.10
  6. Step 6: Final answer
    x = 124,791,024.15

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Double scale
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Similar ratio
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1.5x scale

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.