Home / 220,786,804.07-304,687,804.59-121,671,107.72

Finding the Fourth Proportional to 220,786,804.07, 304,687,804.59 and 121,671,107.72

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Solution

The fourth proportional to 220,786,804.07, 304,687,804.59 and 121,671,107.72 is: 167,907,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,786,804.07 : 304,687,804.59 = 121,671,107.72 : x
  2. Step 2: Convert to fraction form
    220,786,804.07/304,687,804.59 = 121,671,107.72/x
  3. Step 3: Cross multiply
    220,786,804.07x = 304,687,804.59 × 121,671,107.72
  4. Step 4: Simplify right side
    220,786,804.07x = 37,071,702,691,716,760
  5. Step 5: Solve for x
    x = 37,071,702,691,716,760/220,786,804.07
  6. Step 6: Final answer
    x = 167,907,239.06

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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.