Home / 56,808,422.64-85,212,630.72-47,230,671.60

Finding the Fourth Proportional to 56,808,422.64, 85,212,630.72 and 47,230,671.60

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Solution

The fourth proportional to 56,808,422.64, 85,212,630.72 and 47,230,671.60 is: 70,846,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,808,422.64 : 85,212,630.72 = 47,230,671.60 : x
  2. Step 2: Convert to fraction form
    56,808,422.64/85,212,630.72 = 47,230,671.60/x
  3. Step 3: Cross multiply
    56,808,422.64x = 85,212,630.72 × 47,230,671.60
  4. Step 4: Simplify right side
    56,808,422.64x = 4,024,649,777,708,391.50
  5. Step 5: Solve for x
    x = 4,024,649,777,708,391.50/56,808,422.64
  6. Step 6: Final answer
    x = 70,846,004.71

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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.