Home / 85,536,016.70-128,304,025.05-37,760,272.70

Finding the Fourth Proportional to 85,536,016.70, 128,304,025.05 and 37,760,272.70

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Solution

The fourth proportional to 85,536,016.70, 128,304,025.05 and 37,760,272.70 is: 56,640,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,016.70 : 128,304,025.05 = 37,760,272.70 : x
  2. Step 2: Convert to fraction form
    85,536,016.70/128,304,025.05 = 37,760,272.70/x
  3. Step 3: Cross multiply
    85,536,016.70x = 128,304,025.05 × 37,760,272.70
  4. Step 4: Simplify right side
    85,536,016.70x = 4,844,794,974,395,631
  5. Step 5: Solve for x
    x = 4,844,794,974,395,631/85,536,016.70
  6. Step 6: Final answer
    x = 56,640,409.05

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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.