Home / 49,778,015.40-74,667,023.10-39,700,319.40

Finding the Fourth Proportional to 49,778,015.40, 74,667,023.10 and 39,700,319.40

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Solution

The fourth proportional to 49,778,015.40, 74,667,023.10 and 39,700,319.40 is: 59,550,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,778,015.40 : 74,667,023.10 = 39,700,319.40 : x
  2. Step 2: Convert to fraction form
    49,778,015.40/74,667,023.10 = 39,700,319.40/x
  3. Step 3: Cross multiply
    49,778,015.40x = 74,667,023.10 × 39,700,319.40
  4. Step 4: Simplify right side
    49,778,015.40x = 2,964,304,665,717,178
  5. Step 5: Solve for x
    x = 2,964,304,665,717,178/49,778,015.40
  6. Step 6: Final answer
    x = 59,550,479.10

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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.