Home / 105,680,400.96-145,703,982.96-68,444,908.32

Finding the Fourth Proportional to 105,680,400.96, 145,703,982.96 and 68,444,908.32

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Solution

The fourth proportional to 105,680,400.96, 145,703,982.96 and 68,444,908.32 is: 94,366,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,680,400.96 : 145,703,982.96 = 68,444,908.32 : x
  2. Step 2: Convert to fraction form
    105,680,400.96/145,703,982.96 = 68,444,908.32/x
  3. Step 3: Cross multiply
    105,680,400.96x = 145,703,982.96 × 68,444,908.32
  4. Step 4: Simplify right side
    105,680,400.96x = 9,972,695,755,556,042
  5. Step 5: Solve for x
    x = 9,972,695,755,556,042/105,680,400.96
  6. Step 6: Final answer
    x = 94,366,558.65

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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.