Home / 239,841,134.45-330,983,047.25-140,723,568.21

Finding the Fourth Proportional to 239,841,134.45, 330,983,047.25 and 140,723,568.21

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Solution

The fourth proportional to 239,841,134.45, 330,983,047.25 and 140,723,568.21 is: 194,199,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,841,134.45 : 330,983,047.25 = 140,723,568.21 : x
  2. Step 2: Convert to fraction form
    239,841,134.45/330,983,047.25 = 140,723,568.21/x
  3. Step 3: Cross multiply
    239,841,134.45x = 330,983,047.25 × 140,723,568.21
  4. Step 4: Simplify right side
    239,841,134.45x = 46,577,115,425,335,416
  5. Step 5: Solve for x
    x = 46,577,115,425,335,416/239,841,134.45
  6. Step 6: Final answer
    x = 194,199,862.89

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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.