Home / 144,924,631.83-199,996,861.68-78,845,604.12

Finding the Fourth Proportional to 144,924,631.83, 199,996,861.68 and 78,845,604.12

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Solution

The fourth proportional to 144,924,631.83, 199,996,861.68 and 78,845,604.12 is: 108,807,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,924,631.83 : 199,996,861.68 = 78,845,604.12 : x
  2. Step 2: Convert to fraction form
    144,924,631.83/199,996,861.68 = 78,845,604.12/x
  3. Step 3: Cross multiply
    144,924,631.83x = 199,996,861.68 × 78,845,604.12
  4. Step 4: Simplify right side
    144,924,631.83x = 15,768,873,381,263,680
  5. Step 5: Solve for x
    x = 15,768,873,381,263,680/144,924,631.83
  6. Step 6: Final answer
    x = 108,807,406.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.