Home / 258,313,836.44-356,475,882.30-140,838,213.80

Finding the Fourth Proportional to 258,313,836.44, 356,475,882.30 and 140,838,213.80

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Solution

The fourth proportional to 258,313,836.44, 356,475,882.30 and 140,838,213.80 is: 194,358,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,313,836.44 : 356,475,882.30 = 140,838,213.80 : x
  2. Step 2: Convert to fraction form
    258,313,836.44/356,475,882.30 = 140,838,213.80/x
  3. Step 3: Cross multiply
    258,313,836.44x = 356,475,882.30 × 140,838,213.80
  4. Step 4: Simplify right side
    258,313,836.44x = 50,205,426,525,911,040
  5. Step 5: Solve for x
    x = 50,205,426,525,911,040/258,313,836.44
  6. Step 6: Final answer
    x = 194,358,255.13

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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.