Home / 158,143,406.40-218,236,218.30-88,529,359.32

Finding the Fourth Proportional to 158,143,406.40, 218,236,218.30 and 88,529,359.32

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Solution

The fourth proportional to 158,143,406.40, 218,236,218.30 and 88,529,359.32 is: 122,169,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,143,406.40 : 218,236,218.30 = 88,529,359.32 : x
  2. Step 2: Convert to fraction form
    158,143,406.40/218,236,218.30 = 88,529,359.32/x
  3. Step 3: Cross multiply
    158,143,406.40x = 218,236,218.30 × 88,529,359.32
  4. Step 4: Simplify right side
    158,143,406.40x = 19,320,312,586,518,660
  5. Step 5: Solve for x
    x = 19,320,312,586,518,660/158,143,406.40
  6. Step 6: Final answer
    x = 122,169,573.97

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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.