Home / 253,946,259.28-380,828,002.79-87,904,649.69

Finding the Fourth Proportional to 253,946,259.28, 380,828,002.79 and 87,904,649.69

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Solution

The fourth proportional to 253,946,259.28, 380,828,002.79 and 87,904,649.69 is: 131,825,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,946,259.28 : 380,828,002.79 = 87,904,649.69 : x
  2. Step 2: Convert to fraction form
    253,946,259.28/380,828,002.79 = 87,904,649.69/x
  3. Step 3: Cross multiply
    253,946,259.28x = 380,828,002.79 × 87,904,649.69
  4. Step 4: Simplify right side
    253,946,259.28x = 33,476,552,177,727,640
  5. Step 5: Solve for x
    x = 33,476,552,177,727,640/253,946,259.28
  6. Step 6: Final answer
    x = 131,825,340.81

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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.