Home / 115,918,199.82-159,963,733.71-66,356,930.70

Finding the Fourth Proportional to 115,918,199.82, 159,963,733.71 and 66,356,930.70

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Solution

The fourth proportional to 115,918,199.82, 159,963,733.71 and 66,356,930.70 is: 91,570,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,918,199.82 : 159,963,733.71 = 66,356,930.70 : x
  2. Step 2: Convert to fraction form
    115,918,199.82/159,963,733.71 = 66,356,930.70/x
  3. Step 3: Cross multiply
    115,918,199.82x = 159,963,733.71 × 66,356,930.70
  4. Step 4: Simplify right side
    115,918,199.82x = 10,614,702,392,307,724
  5. Step 5: Solve for x
    x = 10,614,702,392,307,724/115,918,199.82
  6. Step 6: Final answer
    x = 91,570,628.33

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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.