Home / 220,657,360.97-304,507,143.71-127,891,677.21

Finding the Fourth Proportional to 220,657,360.97, 304,507,143.71 and 127,891,677.21

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Solution

The fourth proportional to 220,657,360.97, 304,507,143.71 and 127,891,677.21 is: 176,490,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,657,360.97 : 304,507,143.71 = 127,891,677.21 : x
  2. Step 2: Convert to fraction form
    220,657,360.97/304,507,143.71 = 127,891,677.21/x
  3. Step 3: Cross multiply
    220,657,360.97x = 304,507,143.71 × 127,891,677.21
  4. Step 4: Simplify right side
    220,657,360.97x = 38,943,929,330,858,936
  5. Step 5: Solve for x
    x = 38,943,929,330,858,936/220,657,360.97
  6. Step 6: Final answer
    x = 176,490,506.19

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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.