Home / 56,438,261.40-84,657,392.10-18,103,650.60

Finding the Fourth Proportional to 56,438,261.40, 84,657,392.10 and 18,103,650.60

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Solution

The fourth proportional to 56,438,261.40, 84,657,392.10 and 18,103,650.60 is: 27,155,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438,261.40 : 84,657,392.10 = 18,103,650.60 : x
  2. Step 2: Convert to fraction form
    56,438,261.40/84,657,392.10 = 18,103,650.60/x
  3. Step 3: Cross multiply
    56,438,261.40x = 84,657,392.10 × 18,103,650.60
  4. Step 4: Simplify right side
    56,438,261.40x = 1,532,607,847,285,600.25
  5. Step 5: Solve for x
    x = 1,532,607,847,285,600.25/56,438,261.40
  6. Step 6: Final answer
    x = 27,155,475.90

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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.