Home / 243,622,852.80-365,434,279.20-120,753,693.60

Finding the Fourth Proportional to 243,622,852.80, 365,434,279.20 and 120,753,693.60

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Solution

The fourth proportional to 243,622,852.80, 365,434,279.20 and 120,753,693.60 is: 181,130,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,622,852.80 : 365,434,279.20 = 120,753,693.60 : x
  2. Step 2: Convert to fraction form
    243,622,852.80/365,434,279.20 = 120,753,693.60/x
  3. Step 3: Cross multiply
    243,622,852.80x = 365,434,279.20 × 120,753,693.60
  4. Step 4: Simplify right side
    243,622,852.80x = 44,127,538,981,453,648
  5. Step 5: Solve for x
    x = 44,127,538,981,453,648/243,622,852.80
  6. Step 6: Final answer
    x = 181,130,540.40

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1.5x scale

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.