Home / 165,464,850.74-247,874,387.94-128,902,042.04

Finding the Fourth Proportional to 165,464,850.74, 247,874,387.94 and 128,902,042.04

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Solution

The fourth proportional to 165,464,850.74, 247,874,387.94 and 128,902,042.04 is: 193,101,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,464,850.74 : 247,874,387.94 = 128,902,042.04 : x
  2. Step 2: Convert to fraction form
    165,464,850.74/247,874,387.94 = 128,902,042.04/x
  3. Step 3: Cross multiply
    165,464,850.74x = 247,874,387.94 × 128,902,042.04
  4. Step 4: Simplify right side
    165,464,850.74x = 31,951,514,774,881,152
  5. Step 5: Solve for x
    x = 31,951,514,774,881,152/165,464,850.74
  6. Step 6: Final answer
    x = 193,101,523.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.