Home / 142,561,249.16-196,734,604.56-77,371,153.16

Finding the Fourth Proportional to 142,561,249.16, 196,734,604.56 and 77,371,153.16

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Solution

The fourth proportional to 142,561,249.16, 196,734,604.56 and 77,371,153.16 is: 106,772,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,561,249.16 : 196,734,604.56 = 77,371,153.16 : x
  2. Step 2: Convert to fraction form
    142,561,249.16/196,734,604.56 = 77,371,153.16/x
  3. Step 3: Cross multiply
    142,561,249.16x = 196,734,604.56 × 77,371,153.16
  4. Step 4: Simplify right side
    142,561,249.16x = 15,221,583,221,283,794
  5. Step 5: Solve for x
    x = 15,221,583,221,283,794/142,561,249.16
  6. Step 6: Final answer
    x = 106,772,235.17

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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.