Home / 195,614,538.30-293,421,807.45-138,218,910.30

Finding the Fourth Proportional to 195,614,538.30, 293,421,807.45 and 138,218,910.30

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Solution

The fourth proportional to 195,614,538.30, 293,421,807.45 and 138,218,910.30 is: 207,328,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,614,538.30 : 293,421,807.45 = 138,218,910.30 : x
  2. Step 2: Convert to fraction form
    195,614,538.30/293,421,807.45 = 138,218,910.30/x
  3. Step 3: Cross multiply
    195,614,538.30x = 293,421,807.45 × 138,218,910.30
  4. Step 4: Simplify right side
    195,614,538.30x = 40,556,442,483,995,424
  5. Step 5: Solve for x
    x = 40,556,442,483,995,424/195,614,538.30
  6. Step 6: Final answer
    x = 207,328,365.45

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1.5x scale

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.