Home / 56,785,410.60-85,178,115.90-31,216,540.20

Finding the Fourth Proportional to 56,785,410.60, 85,178,115.90 and 31,216,540.20

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Solution

The fourth proportional to 56,785,410.60, 85,178,115.90 and 31,216,540.20 is: 46,824,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,785,410.60 : 85,178,115.90 = 31,216,540.20 : x
  2. Step 2: Convert to fraction form
    56,785,410.60/85,178,115.90 = 31,216,540.20/x
  3. Step 3: Cross multiply
    56,785,410.60x = 85,178,115.90 × 31,216,540.20
  4. Step 4: Simplify right side
    56,785,410.60x = 2,658,966,079,152,609.50
  5. Step 5: Solve for x
    x = 2,658,966,079,152,609.50/56,785,410.60
  6. Step 6: Final answer
    x = 46,824,810.30

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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.