Home / 79,994,984.36-119,967,711.42-28,870,531.88

Finding the Fourth Proportional to 79,994,984.36, 119,967,711.42 and 28,870,531.88

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Solution

The fourth proportional to 79,994,984.36, 119,967,711.42 and 28,870,531.88 is: 43,296,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,994,984.36 : 119,967,711.42 = 28,870,531.88 : x
  2. Step 2: Convert to fraction form
    79,994,984.36/119,967,711.42 = 28,870,531.88/x
  3. Step 3: Cross multiply
    79,994,984.36x = 119,967,711.42 × 28,870,531.88
  4. Step 4: Simplify right side
    79,994,984.36x = 3,463,531,637,121,750
  5. Step 5: Solve for x
    x = 3,463,531,637,121,750/79,994,984.36
  6. Step 6: Final answer
    x = 43,296,859.98

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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.