Home / 80,885,056.40-121,327,584.60-53,675,277.20

Finding the Fourth Proportional to 80,885,056.40, 121,327,584.60 and 53,675,277.20

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Solution

The fourth proportional to 80,885,056.40, 121,327,584.60 and 53,675,277.20 is: 80,512,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,885,056.40 : 121,327,584.60 = 53,675,277.20 : x
  2. Step 2: Convert to fraction form
    80,885,056.40/121,327,584.60 = 53,675,277.20/x
  3. Step 3: Cross multiply
    80,885,056.40x = 121,327,584.60 × 53,675,277.20
  4. Step 4: Simplify right side
    80,885,056.40x = 6,512,291,735,411,451
  5. Step 5: Solve for x
    x = 6,512,291,735,411,451/80,885,056.40
  6. Step 6: Final answer
    x = 80,512,915.80

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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.