Home / 188,972,332.68-260,781,816.96-102,052,204.68

Finding the Fourth Proportional to 188,972,332.68, 260,781,816.96 and 102,052,204.68

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Solution

The fourth proportional to 188,972,332.68, 260,781,816.96 and 102,052,204.68 is: 140,832,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,972,332.68 : 260,781,816.96 = 102,052,204.68 : x
  2. Step 2: Convert to fraction form
    188,972,332.68/260,781,816.96 = 102,052,204.68/x
  3. Step 3: Cross multiply
    188,972,332.68x = 260,781,816.96 × 102,052,204.68
  4. Step 4: Simplify right side
    188,972,332.68x = 26,613,359,361,224,220
  5. Step 5: Solve for x
    x = 26,613,359,361,224,220/188,972,332.68
  6. Step 6: Final answer
    x = 140,832,041.30

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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.