Home / 208,752,882.09-313,127,329.32-126,894,361.47

Finding the Fourth Proportional to 208,752,882.09, 313,127,329.32 and 126,894,361.47

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Solution

The fourth proportional to 208,752,882.09, 313,127,329.32 and 126,894,361.47 is: 190,340,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,752,882.09 : 313,127,329.32 = 126,894,361.47 : x
  2. Step 2: Convert to fraction form
    208,752,882.09/313,127,329.32 = 126,894,361.47/x
  3. Step 3: Cross multiply
    208,752,882.09x = 313,127,329.32 × 126,894,361.47
  4. Step 4: Simplify right side
    208,752,882.09x = 39,734,092,512,867,808
  5. Step 5: Solve for x
    x = 39,734,092,512,867,808/208,752,882.09
  6. Step 6: Final answer
    x = 190,340,330.23

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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.