Home / 245,366,948.36-338,600,939.30-135,358,632.20

Finding the Fourth Proportional to 245,366,948.36, 338,600,939.30 and 135,358,632.20

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Solution

The fourth proportional to 245,366,948.36, 338,600,939.30 and 135,358,632.20 is: 186,791,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,366,948.36 : 338,600,939.30 = 135,358,632.20 : x
  2. Step 2: Convert to fraction form
    245,366,948.36/338,600,939.30 = 135,358,632.20/x
  3. Step 3: Cross multiply
    245,366,948.36x = 338,600,939.30 × 135,358,632.20
  4. Step 4: Simplify right side
    245,366,948.36x = 45,832,560,002,913,424
  5. Step 5: Solve for x
    x = 45,832,560,002,913,424/245,366,948.36
  6. Step 6: Final answer
    x = 186,791,906.20

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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.