Home / 108,649,879.20-162,974,818.80-35,877,891.60

Finding the Fourth Proportional to 108,649,879.20, 162,974,818.80 and 35,877,891.60

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Solution

The fourth proportional to 108,649,879.20, 162,974,818.80 and 35,877,891.60 is: 53,816,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,649,879.20 : 162,974,818.80 = 35,877,891.60 : x
  2. Step 2: Convert to fraction form
    108,649,879.20/162,974,818.80 = 35,877,891.60/x
  3. Step 3: Cross multiply
    108,649,879.20x = 162,974,818.80 × 35,877,891.60
  4. Step 4: Simplify right side
    108,649,879.20x = 5,847,192,882,436,043
  5. Step 5: Solve for x
    x = 5,847,192,882,436,043/108,649,879.20
  6. Step 6: Final answer
    x = 53,816,837.40

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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.