Home / 110,397,930.30-165,596,895.45-109,642,103.10

Finding the Fourth Proportional to 110,397,930.30, 165,596,895.45 and 109,642,103.10

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Solution

The fourth proportional to 110,397,930.30, 165,596,895.45 and 109,642,103.10 is: 164,463,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,397,930.30 : 165,596,895.45 = 109,642,103.10 : x
  2. Step 2: Convert to fraction form
    110,397,930.30/165,596,895.45 = 109,642,103.10/x
  3. Step 3: Cross multiply
    110,397,930.30x = 165,596,895.45 × 109,642,103.10
  4. Step 4: Simplify right side
    110,397,930.30x = 18,156,391,883,968,820
  5. Step 5: Solve for x
    x = 18,156,391,883,968,820/110,397,930.30
  6. Step 6: Final answer
    x = 164,463,154.65

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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.