Home / 275,623,668.68-413,413,807.89-120,173,808.20

Finding the Fourth Proportional to 275,623,668.68, 413,413,807.89 and 120,173,808.20

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Solution

The fourth proportional to 275,623,668.68, 413,413,807.89 and 120,173,808.20 is: 180,251,253.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,623,668.68 : 413,413,807.89 = 120,173,808.20 : x
  2. Step 2: Convert to fraction form
    275,623,668.68/413,413,807.89 = 120,173,808.20/x
  3. Step 3: Cross multiply
    275,623,668.68x = 413,413,807.89 × 120,173,808.20
  4. Step 4: Simplify right side
    275,623,668.68x = 49,681,511,656,604,504
  5. Step 5: Solve for x
    x = 49,681,511,656,604,504/275,623,668.68
  6. Step 6: Final answer
    x = 180,251,253.07

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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.