Home / 79,824,015.80-119,736,023.70-25,971,327.80

Finding the Fourth Proportional to 79,824,015.80, 119,736,023.70 and 25,971,327.80

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Solution

The fourth proportional to 79,824,015.80, 119,736,023.70 and 25,971,327.80 is: 38,956,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,824,015.80 : 119,736,023.70 = 25,971,327.80 : x
  2. Step 2: Convert to fraction form
    79,824,015.80/119,736,023.70 = 25,971,327.80/x
  3. Step 3: Cross multiply
    79,824,015.80x = 119,736,023.70 × 25,971,327.80
  4. Step 4: Simplify right side
    79,824,015.80x = 3,109,703,520,981,269
  5. Step 5: Solve for x
    x = 3,109,703,520,981,269/79,824,015.80
  6. Step 6: Final answer
    x = 38,956,991.70

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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.