Home / 220,786,784.93-304,687,778.24-121,671,088.58

Finding the Fourth Proportional to 220,786,784.93, 304,687,778.24 and 121,671,088.58

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Solution

The fourth proportional to 220,786,784.93, 304,687,778.24 and 121,671,088.58 is: 167,907,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,786,784.93 : 304,687,778.24 = 121,671,088.58 : x
  2. Step 2: Convert to fraction form
    220,786,784.93/304,687,778.24 = 121,671,088.58/x
  3. Step 3: Cross multiply
    220,786,784.93x = 304,687,778.24 × 121,671,088.58
  4. Step 4: Simplify right side
    220,786,784.93x = 37,071,693,656,548,336
  5. Step 5: Solve for x
    x = 37,071,693,656,548,336/220,786,784.93
  6. Step 6: Final answer
    x = 167,907,212.69

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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.