Home / 122,007,682.32-168,369,991.86-66,252,606.24

Finding the Fourth Proportional to 122,007,682.32, 168,369,991.86 and 66,252,606.24

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Solution

The fourth proportional to 122,007,682.32, 168,369,991.86 and 66,252,606.24 is: 91,428,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,007,682.32 : 168,369,991.86 = 66,252,606.24 : x
  2. Step 2: Convert to fraction form
    122,007,682.32/168,369,991.86 = 66,252,606.24/x
  3. Step 3: Cross multiply
    122,007,682.32x = 168,369,991.86 × 66,252,606.24
  4. Step 4: Simplify right side
    122,007,682.32x = 11,154,950,773,332,586
  5. Step 5: Solve for x
    x = 11,154,950,773,332,586/122,007,682.32
  6. Step 6: Final answer
    x = 91,428,265.51

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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.