Home / 220,786,804.56-304,687,805.28-121,671,108.22

Finding the Fourth Proportional to 220,786,804.56, 304,687,805.28 and 121,671,108.22

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Solution

The fourth proportional to 220,786,804.56, 304,687,805.28 and 121,671,108.22 is: 167,907,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,786,804.56 : 304,687,805.28 = 121,671,108.22 : x
  2. Step 2: Convert to fraction form
    220,786,804.56/304,687,805.28 = 121,671,108.22/x
  3. Step 3: Cross multiply
    220,786,804.56x = 304,687,805.28 × 121,671,108.22
  4. Step 4: Simplify right side
    220,786,804.56x = 37,071,702,929,537,160
  5. Step 5: Solve for x
    x = 37,071,702,929,537,160/220,786,804.56
  6. Step 6: Final answer
    x = 167,907,239.76

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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.