Home / 80,971,624.80-121,323,067.92-56,986,708.32

Finding the Fourth Proportional to 80,971,624.80, 121,323,067.92 and 56,986,708.32

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Solution

The fourth proportional to 80,971,624.80, 121,323,067.92 and 56,986,708.32 is: 85,385,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,971,624.80 : 121,323,067.92 = 56,986,708.32 : x
  2. Step 2: Convert to fraction form
    80,971,624.80/121,323,067.92 = 56,986,708.32/x
  3. Step 3: Cross multiply
    80,971,624.80x = 121,323,067.92 × 56,986,708.32
  4. Step 4: Simplify right side
    80,971,624.80x = 6,913,802,284,044,589
  5. Step 5: Solve for x
    x = 6,913,802,284,044,589/80,971,624.80
  6. Step 6: Final answer
    x = 85,385,495.24

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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.