Home / 253,946,252.87-380,827,993.19-87,904,643.28

Finding the Fourth Proportional to 253,946,252.87, 380,827,993.19 and 87,904,643.28

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Solution

The fourth proportional to 253,946,252.87, 380,827,993.19 and 87,904,643.28 is: 131,825,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,946,252.87 : 380,827,993.19 = 87,904,643.28 : x
  2. Step 2: Convert to fraction form
    253,946,252.87/380,827,993.19 = 87,904,643.28/x
  3. Step 3: Cross multiply
    253,946,252.87x = 380,827,993.19 × 87,904,643.28
  4. Step 4: Simplify right side
    253,946,252.87x = 33,476,548,890,755,152
  5. Step 5: Solve for x
    x = 33,476,548,890,755,152/253,946,252.87
  6. Step 6: Final answer
    x = 131,825,331.20

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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.