Home / 159,860,810.12-220,613,265.78-97,969,196.12

Finding the Fourth Proportional to 159,860,810.12, 220,613,265.78 and 97,969,196.12

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Solution

The fourth proportional to 159,860,810.12, 220,613,265.78 and 97,969,196.12 is: 135,200,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,860,810.12 : 220,613,265.78 = 97,969,196.12 : x
  2. Step 2: Convert to fraction form
    159,860,810.12/220,613,265.78 = 97,969,196.12/x
  3. Step 3: Cross multiply
    159,860,810.12x = 220,613,265.78 × 97,969,196.12
  4. Step 4: Simplify right side
    159,860,810.12x = 21,613,304,301,874,504
  5. Step 5: Solve for x
    x = 21,613,304,301,874,504/159,860,810.12
  6. Step 6: Final answer
    x = 135,200,768.00

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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.