Home / 100,956,072.30-151,434,108.45-76,769,601.90

Finding the Fourth Proportional to 100,956,072.30, 151,434,108.45 and 76,769,601.90

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Solution

The fourth proportional to 100,956,072.30, 151,434,108.45 and 76,769,601.90 is: 115,154,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,956,072.30 : 151,434,108.45 = 76,769,601.90 : x
  2. Step 2: Convert to fraction form
    100,956,072.30/151,434,108.45 = 76,769,601.90/x
  3. Step 3: Cross multiply
    100,956,072.30x = 151,434,108.45 × 76,769,601.90
  4. Step 4: Simplify right side
    100,956,072.30x = 11,625,536,219,787,926
  5. Step 5: Solve for x
    x = 11,625,536,219,787,926/100,956,072.30
  6. Step 6: Final answer
    x = 115,154,402.85

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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.