Home / 257,948,210.97-355,952,406.78-142,054,706.97

Finding the Fourth Proportional to 257,948,210.97, 355,952,406.78 and 142,054,706.97

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Solution

The fourth proportional to 257,948,210.97, 355,952,406.78 and 142,054,706.97 is: 196,026,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,948,210.97 : 355,952,406.78 = 142,054,706.97 : x
  2. Step 2: Convert to fraction form
    257,948,210.97/355,952,406.78 = 142,054,706.97/x
  3. Step 3: Cross multiply
    257,948,210.97x = 355,952,406.78 × 142,054,706.97
  4. Step 4: Simplify right side
    257,948,210.97x = 50,564,714,840,399,136
  5. Step 5: Solve for x
    x = 50,564,714,840,399,136/257,948,210.97
  6. Step 6: Final answer
    x = 196,026,615.77

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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.