Home / 105,489,425.09-158,172,802.56-39,915,628.39

Finding the Fourth Proportional to 105,489,425.09, 158,172,802.56 and 39,915,628.39

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Solution

The fourth proportional to 105,489,425.09, 158,172,802.56 and 39,915,628.39 is: 59,850,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,489,425.09 : 158,172,802.56 = 39,915,628.39 : x
  2. Step 2: Convert to fraction form
    105,489,425.09/158,172,802.56 = 39,915,628.39/x
  3. Step 3: Cross multiply
    105,489,425.09x = 158,172,802.56 × 39,915,628.39
  4. Step 4: Simplify right side
    105,489,425.09x = 6,313,566,808,290,943
  5. Step 5: Solve for x
    x = 6,313,566,808,290,943/105,489,425.09
  6. Step 6: Final answer
    x = 59,850,234.31

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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.