Home / 220,673,087.60-304,525,140.40-121,563,105.96

Finding the Fourth Proportional to 220,673,087.60, 304,525,140.40 and 121,563,105.96

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Solution

The fourth proportional to 220,673,087.60, 304,525,140.40 and 121,563,105.96 is: 167,755,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,673,087.60 : 304,525,140.40 = 121,563,105.96 : x
  2. Step 2: Convert to fraction form
    220,673,087.60/304,525,140.40 = 121,563,105.96/x
  3. Step 3: Cross multiply
    220,673,087.60x = 304,525,140.40 × 121,563,105.96
  4. Step 4: Simplify right side
    220,673,087.60x = 37,019,021,909,929,072
  5. Step 5: Solve for x
    x = 37,019,021,909,929,072/220,673,087.60
  6. Step 6: Final answer
    x = 167,755,036.70

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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.