Home / 158,586,866.45-218,846,578.01-88,018,336.83

Finding the Fourth Proportional to 158,586,866.45, 218,846,578.01 and 88,018,336.83

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Solution

The fourth proportional to 158,586,866.45, 218,846,578.01 and 88,018,336.83 is: 121,463,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,586,866.45 : 218,846,578.01 = 88,018,336.83 : x
  2. Step 2: Convert to fraction form
    158,586,866.45/218,846,578.01 = 88,018,336.83/x
  3. Step 3: Cross multiply
    158,586,866.45x = 218,846,578.01 × 88,018,336.83
  4. Step 4: Simplify right side
    158,586,866.45x = 19,262,511,817,757,632
  5. Step 5: Solve for x
    x = 19,262,511,817,757,632/158,586,866.45
  6. Step 6: Final answer
    x = 121,463,474.56

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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.