Home / 108,865,627.20-163,312,437.60-54,306,100.80

Finding the Fourth Proportional to 108,865,627.20, 163,312,437.60 and 54,306,100.80

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Solution

The fourth proportional to 108,865,627.20, 163,312,437.60 and 54,306,100.80 is: 81,466,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,865,627.20 : 163,312,437.60 = 54,306,100.80 : x
  2. Step 2: Convert to fraction form
    108,865,627.20/163,312,437.60 = 54,306,100.80/x
  3. Step 3: Cross multiply
    108,865,627.20x = 163,312,437.60 × 54,306,100.80
  4. Step 4: Simplify right side
    108,865,627.20x = 8,868,861,698,199,309
  5. Step 5: Solve for x
    x = 8,868,861,698,199,309/108,865,627.20
  6. Step 6: Final answer
    x = 81,466,133.31

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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.