Home / 220,786,780.08-304,687,771.56-121,671,083.74

Finding the Fourth Proportional to 220,786,780.08, 304,687,771.56 and 121,671,083.74

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Solution

The fourth proportional to 220,786,780.08, 304,687,771.56 and 121,671,083.74 is: 167,907,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,786,780.08 : 304,687,771.56 = 121,671,083.74 : x
  2. Step 2: Convert to fraction form
    220,786,780.08/304,687,771.56 = 121,671,083.74/x
  3. Step 3: Cross multiply
    220,786,780.08x = 304,687,771.56 × 121,671,083.74
  4. Step 4: Simplify right side
    220,786,780.08x = 37,071,691,366,507,312
  5. Step 5: Solve for x
    x = 37,071,691,366,507,312/220,786,780.08
  6. Step 6: Final answer
    x = 167,907,206.01

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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.