Home / 168,501,829.70-252,752,744.55-137,890,828.10

Finding the Fourth Proportional to 168,501,829.70, 252,752,744.55 and 137,890,828.10

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Solution

The fourth proportional to 168,501,829.70, 252,752,744.55 and 137,890,828.10 is: 206,836,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,501,829.70 : 252,752,744.55 = 137,890,828.10 : x
  2. Step 2: Convert to fraction form
    168,501,829.70/252,752,744.55 = 137,890,828.10/x
  3. Step 3: Cross multiply
    168,501,829.70x = 252,752,744.55 × 137,890,828.10
  4. Step 4: Simplify right side
    168,501,829.70x = 34,852,285,250,547,260
  5. Step 5: Solve for x
    x = 34,852,285,250,547,260/168,501,829.70
  6. Step 6: Final answer
    x = 206,836,242.15

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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.