Home / 108,866,404.20-163,313,603.10-54,306,877.80

Finding the Fourth Proportional to 108,866,404.20, 163,313,603.10 and 54,306,877.80

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Solution

The fourth proportional to 108,866,404.20, 163,313,603.10 and 54,306,877.80 is: 81,467,298.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866,404.20 : 163,313,603.10 = 54,306,877.80 : x
  2. Step 2: Convert to fraction form
    108,866,404.20/163,313,603.10 = 54,306,877.80/x
  3. Step 3: Cross multiply
    108,866,404.20x = 163,313,603.10 × 54,306,877.80
  4. Step 4: Simplify right side
    108,866,404.20x = 8,869,051,886,629,400
  5. Step 5: Solve for x
    x = 8,869,051,886,629,400/108,866,404.20
  6. Step 6: Final answer
    x = 81,467,298.86

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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.