Home / 261,120,942.27-360,335,539.31-143,638,823.34

Finding the Fourth Proportional to 261,120,942.27, 360,335,539.31 and 143,638,823.34

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Solution

The fourth proportional to 261,120,942.27, 360,335,539.31 and 143,638,823.34 is: 198,215,326.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,120,942.27 : 360,335,539.31 = 143,638,823.34 : x
  2. Step 2: Convert to fraction form
    261,120,942.27/360,335,539.31 = 143,638,823.34/x
  3. Step 3: Cross multiply
    261,120,942.27x = 360,335,539.31 × 143,638,823.34
  4. Step 4: Simplify right side
    261,120,942.27x = 51,758,172,873,354,520
  5. Step 5: Solve for x
    x = 51,758,172,873,354,520/261,120,942.27
  6. Step 6: Final answer
    x = 198,215,326.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.