Home / 165,149,425.80-227,912,774.36-90,816,080.58

Finding the Fourth Proportional to 165,149,425.80, 227,912,774.36 and 90,816,080.58

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Solution

The fourth proportional to 165,149,425.80, 227,912,774.36 and 90,816,080.58 is: 125,329,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,149,425.80 : 227,912,774.36 = 90,816,080.58 : x
  2. Step 2: Convert to fraction form
    165,149,425.80/227,912,774.36 = 90,816,080.58/x
  3. Step 3: Cross multiply
    165,149,425.80x = 227,912,774.36 × 90,816,080.58
  4. Step 4: Simplify right side
    165,149,425.80x = 20,698,144,881,035,036
  5. Step 5: Solve for x
    x = 20,698,144,881,035,036/165,149,425.80
  6. Step 6: Final answer
    x = 125,329,802.27

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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.