Home / 266,077,138.60-399,265,007.10-112,697,093.80

Finding the Fourth Proportional to 266,077,138.60, 399,265,007.10 and 112,697,093.80

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Solution

The fourth proportional to 266,077,138.60, 399,265,007.10 and 112,697,093.80 is: 169,108,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,077,138.60 : 399,265,007.10 = 112,697,093.80 : x
  2. Step 2: Convert to fraction form
    266,077,138.60/399,265,007.10 = 112,697,093.80/x
  3. Step 3: Cross multiply
    266,077,138.60x = 399,265,007.10 × 112,697,093.80
  4. Step 4: Simplify right side
    266,077,138.60x = 44,996,005,956,206,368
  5. Step 5: Solve for x
    x = 44,996,005,956,206,368/266,077,138.60
  6. Step 6: Final answer
    x = 169,108,876.44

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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.