Home / 239,707,359-359,556,779.21-75,940,859.16

Finding the Fourth Proportional to 239,707,359, 359,556,779.21 and 75,940,859.16

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Solution

The fourth proportional to 239,707,359, 359,556,779.21 and 75,940,859.16 is: 113,909,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,707,359 : 359,556,779.21 = 75,940,859.16 : x
  2. Step 2: Convert to fraction form
    239,707,359/359,556,779.21 = 75,940,859.16/x
  3. Step 3: Cross multiply
    239,707,359x = 359,556,779.21 × 75,940,859.16
  4. Step 4: Simplify right side
    239,707,359x = 27,305,050,729,630,120
  5. Step 5: Solve for x
    x = 27,305,050,729,630,120/239,707,359
  6. Step 6: Final answer
    x = 113,909,939.37

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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.