Home / 79,488,066.80-119,232,100.20-74,449,218.80

Finding the Fourth Proportional to 79,488,066.80, 119,232,100.20 and 74,449,218.80

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Solution

The fourth proportional to 79,488,066.80, 119,232,100.20 and 74,449,218.80 is: 111,673,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,488,066.80 : 119,232,100.20 = 74,449,218.80 : x
  2. Step 2: Convert to fraction form
    79,488,066.80/119,232,100.20 = 74,449,218.80/x
  3. Step 3: Cross multiply
    79,488,066.80x = 119,232,100.20 × 74,449,218.80
  4. Step 4: Simplify right side
    79,488,066.80x = 8,876,736,715,773,324
  5. Step 5: Solve for x
    x = 8,876,736,715,773,324/79,488,066.80
  6. Step 6: Final answer
    x = 111,673,828.20

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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.