Home / 162,665,761.60-243,998,642.40-54,958,830.40

Finding the Fourth Proportional to 162,665,761.60, 243,998,642.40 and 54,958,830.40

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Solution

The fourth proportional to 162,665,761.60, 243,998,642.40 and 54,958,830.40 is: 82,438,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,665,761.60 : 243,998,642.40 = 54,958,830.40 : x
  2. Step 2: Convert to fraction form
    162,665,761.60/243,998,642.40 = 54,958,830.40/x
  3. Step 3: Cross multiply
    162,665,761.60x = 243,998,642.40 × 54,958,830.40
  4. Step 4: Simplify right side
    162,665,761.60x = 13,409,880,005,491,848
  5. Step 5: Solve for x
    x = 13,409,880,005,491,848/162,665,761.60
  6. Step 6: Final answer
    x = 82,438,245.60

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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.