Home / 66,010,724.80-99,016,087.20-17,496,066.40

Finding the Fourth Proportional to 66,010,724.80, 99,016,087.20 and 17,496,066.40

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Solution

The fourth proportional to 66,010,724.80, 99,016,087.20 and 17,496,066.40 is: 26,244,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,010,724.80 : 99,016,087.20 = 17,496,066.40 : x
  2. Step 2: Convert to fraction form
    66,010,724.80/99,016,087.20 = 17,496,066.40/x
  3. Step 3: Cross multiply
    66,010,724.80x = 99,016,087.20 × 17,496,066.40
  4. Step 4: Simplify right side
    66,010,724.80x = 1,732,392,036,319,390
  5. Step 5: Solve for x
    x = 1,732,392,036,319,390/66,010,724.80
  6. Step 6: Final answer
    x = 26,244,099.60

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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.