Home / 55,609,872.80-83,414,809.20-38,391,184.40

Finding the Fourth Proportional to 55,609,872.80, 83,414,809.20 and 38,391,184.40

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Solution

The fourth proportional to 55,609,872.80, 83,414,809.20 and 38,391,184.40 is: 57,586,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609,872.80 : 83,414,809.20 = 38,391,184.40 : x
  2. Step 2: Convert to fraction form
    55,609,872.80/83,414,809.20 = 38,391,184.40/x
  3. Step 3: Cross multiply
    55,609,872.80x = 83,414,809.20 × 38,391,184.40
  4. Step 4: Simplify right side
    55,609,872.80x = 3,202,393,321,688,016.50
  5. Step 5: Solve for x
    x = 3,202,393,321,688,016.50/55,609,872.80
  6. Step 6: Final answer
    x = 57,586,776.60

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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.