Home / 142,685,227.08-196,906,621.14-77,495,131.08

Finding the Fourth Proportional to 142,685,227.08, 196,906,621.14 and 77,495,131.08

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Solution

The fourth proportional to 142,685,227.08, 196,906,621.14 and 77,495,131.08 is: 106,943,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,685,227.08 : 196,906,621.14 = 77,495,131.08 : x
  2. Step 2: Convert to fraction form
    142,685,227.08/196,906,621.14 = 77,495,131.08/x
  3. Step 3: Cross multiply
    142,685,227.08x = 196,906,621.14 × 77,495,131.08
  4. Step 4: Simplify right side
    142,685,227.08x = 15,259,304,415,764,198
  5. Step 5: Solve for x
    x = 15,259,304,415,764,198/142,685,227.08
  6. Step 6: Final answer
    x = 106,943,828.23

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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.