Home / 125,635,613.60-188,453,420.40-105,629,520.80

Finding the Fourth Proportional to 125,635,613.60, 188,453,420.40 and 105,629,520.80

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Solution

The fourth proportional to 125,635,613.60, 188,453,420.40 and 105,629,520.80 is: 158,444,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,635,613.60 : 188,453,420.40 = 105,629,520.80 : x
  2. Step 2: Convert to fraction form
    125,635,613.60/188,453,420.40 = 105,629,520.80/x
  3. Step 3: Cross multiply
    125,635,613.60x = 188,453,420.40 × 105,629,520.80
  4. Step 4: Simplify right side
    125,635,613.60x = 19,906,244,489,972,944
  5. Step 5: Solve for x
    x = 19,906,244,489,972,944/125,635,613.60
  6. Step 6: Final answer
    x = 158,444,281.20

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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.