Home / 125,388,758.80-188,083,138.20-111,996,445.60

Finding the Fourth Proportional to 125,388,758.80, 188,083,138.20 and 111,996,445.60

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Solution

The fourth proportional to 125,388,758.80, 188,083,138.20 and 111,996,445.60 is: 167,994,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,388,758.80 : 188,083,138.20 = 111,996,445.60 : x
  2. Step 2: Convert to fraction form
    125,388,758.80/188,083,138.20 = 111,996,445.60/x
  3. Step 3: Cross multiply
    125,388,758.80x = 188,083,138.20 × 111,996,445.60
  4. Step 4: Simplify right side
    125,388,758.80x = 21,064,642,955,693,580
  5. Step 5: Solve for x
    x = 21,064,642,955,693,580/125,388,758.80
  6. Step 6: Final answer
    x = 167,994,668.40

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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.