Home / 288,293,242.47-432,513,576.56-83,821,317.72

Finding the Fourth Proportional to 288,293,242.47, 432,513,576.56 and 83,821,317.72

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Solution

The fourth proportional to 288,293,242.47, 432,513,576.56 and 83,821,317.72 is: 125,753,408.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,293,242.47 : 432,513,576.56 = 83,821,317.72 : x
  2. Step 2: Convert to fraction form
    288,293,242.47/432,513,576.56 = 83,821,317.72/x
  3. Step 3: Cross multiply
    288,293,242.47x = 432,513,576.56 × 83,821,317.72
  4. Step 4: Simplify right side
    288,293,242.47x = 36,253,857,919,049,304
  5. Step 5: Solve for x
    x = 36,253,857,919,049,304/288,293,242.47
  6. Step 6: Final answer
    x = 125,753,408.61

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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.