Home / 217,900,839.10-326,914,937.77-70,344,936.84

Finding the Fourth Proportional to 217,900,839.10, 326,914,937.77 and 70,344,936.84

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Solution

The fourth proportional to 217,900,839.10, 326,914,937.77 and 70,344,936.84 is: 105,537,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,900,839.10 : 326,914,937.77 = 70,344,936.84 : x
  2. Step 2: Convert to fraction form
    217,900,839.10/326,914,937.77 = 70,344,936.84/x
  3. Step 3: Cross multiply
    217,900,839.10x = 326,914,937.77 × 70,344,936.84
  4. Step 4: Simplify right side
    217,900,839.10x = 22,996,810,650,272,888
  5. Step 5: Solve for x
    x = 22,996,810,650,272,888/217,900,839.10
  6. Step 6: Final answer
    x = 105,537,962.79

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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.