Home / 108,620,999.20-162,931,498.80-40,454,833.60

Finding the Fourth Proportional to 108,620,999.20, 162,931,498.80 and 40,454,833.60

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Solution

The fourth proportional to 108,620,999.20, 162,931,498.80 and 40,454,833.60 is: 60,682,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,620,999.20 : 162,931,498.80 = 40,454,833.60 : x
  2. Step 2: Convert to fraction form
    108,620,999.20/162,931,498.80 = 40,454,833.60/x
  3. Step 3: Cross multiply
    108,620,999.20x = 162,931,498.80 × 40,454,833.60
  4. Step 4: Simplify right side
    108,620,999.20x = 6,591,366,672,152,600
  5. Step 5: Solve for x
    x = 6,591,366,672,152,600/108,620,999.20
  6. Step 6: Final answer
    x = 60,682,250.40

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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.