Home / 56,705,785.20-85,002,690.60-27,928,364.40

Finding the Fourth Proportional to 56,705,785.20, 85,002,690.60 and 27,928,364.40

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Solution

The fourth proportional to 56,705,785.20, 85,002,690.60 and 27,928,364.40 is: 41,864,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,705,785.20 : 85,002,690.60 = 27,928,364.40 : x
  2. Step 2: Convert to fraction form
    56,705,785.20/85,002,690.60 = 27,928,364.40/x
  3. Step 3: Cross multiply
    56,705,785.20x = 85,002,690.60 × 27,928,364.40
  4. Step 4: Simplify right side
    56,705,785.20x = 2,373,986,118,057,254.50
  5. Step 5: Solve for x
    x = 2,373,986,118,057,254.50/56,705,785.20
  6. Step 6: Final answer
    x = 41,864,972.15

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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.