Home / 261,684,328.97-361,124,448.99-142,606,953.89

Finding the Fourth Proportional to 261,684,328.97, 361,124,448.99 and 142,606,953.89

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Solution

The fourth proportional to 261,684,328.97, 361,124,448.99 and 142,606,953.89 is: 196,797,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,684,328.97 : 361,124,448.99 = 142,606,953.89 : x
  2. Step 2: Convert to fraction form
    261,684,328.97/361,124,448.99 = 142,606,953.89/x
  3. Step 3: Cross multiply
    261,684,328.97x = 361,124,448.99 × 142,606,953.89
  4. Step 4: Simplify right side
    261,684,328.97x = 51,498,857,645,055,816
  5. Step 5: Solve for x
    x = 51,498,857,645,055,816/261,684,328.97
  6. Step 6: Final answer
    x = 196,797,637.25

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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.