Home / 108,879,076.80-163,318,615.20-54,459,518.40

Finding the Fourth Proportional to 108,879,076.80, 163,318,615.20 and 54,459,518.40

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Solution

The fourth proportional to 108,879,076.80, 163,318,615.20 and 54,459,518.40 is: 81,689,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,879,076.80 : 163,318,615.20 = 54,459,518.40 : x
  2. Step 2: Convert to fraction form
    108,879,076.80/163,318,615.20 = 54,459,518.40/x
  3. Step 3: Cross multiply
    108,879,076.80x = 163,318,615.20 × 54,459,518.40
  4. Step 4: Simplify right side
    108,879,076.80x = 8,894,253,129,546,919
  5. Step 5: Solve for x
    x = 8,894,253,129,546,919/108,879,076.80
  6. Step 6: Final answer
    x = 81,689,277.60

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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.