Home / 168,501,631.80-252,752,447.70-149,018,086.20

Finding the Fourth Proportional to 168,501,631.80, 252,752,447.70 and 149,018,086.20

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Solution

The fourth proportional to 168,501,631.80, 252,752,447.70 and 149,018,086.20 is: 223,527,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,501,631.80 : 252,752,447.70 = 149,018,086.20 : x
  2. Step 2: Convert to fraction form
    168,501,631.80/252,752,447.70 = 149,018,086.20/x
  3. Step 3: Cross multiply
    168,501,631.80x = 252,752,447.70 × 149,018,086.20
  4. Step 4: Simplify right side
    168,501,631.80x = 37,664,686,038,619,584
  5. Step 5: Solve for x
    x = 37,664,686,038,619,584/168,501,631.80
  6. Step 6: Final answer
    x = 223,527,129.30

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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.