Home / 168,068,423.80-252,102,635.70-99,876,014.20

Finding the Fourth Proportional to 168,068,423.80, 252,102,635.70 and 99,876,014.20

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Solution

The fourth proportional to 168,068,423.80, 252,102,635.70 and 99,876,014.20 is: 149,814,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,068,423.80 : 252,102,635.70 = 99,876,014.20 : x
  2. Step 2: Convert to fraction form
    168,068,423.80/252,102,635.70 = 99,876,014.20/x
  3. Step 3: Cross multiply
    168,068,423.80x = 252,102,635.70 × 99,876,014.20
  4. Step 4: Simplify right side
    168,068,423.80x = 25,179,006,423,030,628
  5. Step 5: Solve for x
    x = 25,179,006,423,030,628/168,068,423.80
  6. Step 6: Final answer
    x = 149,814,021.30

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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.