Home / 228,376,939.77-315,159,379.07-123,955,005.69

Finding the Fourth Proportional to 228,376,939.77, 315,159,379.07 and 123,955,005.69

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Solution

The fourth proportional to 228,376,939.77, 315,159,379.07 and 123,955,005.69 is: 171,057,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,376,939.77 : 315,159,379.07 = 123,955,005.69 : x
  2. Step 2: Convert to fraction form
    228,376,939.77/315,159,379.07 = 123,955,005.69/x
  3. Step 3: Cross multiply
    228,376,939.77x = 315,159,379.07 × 123,955,005.69
  4. Step 4: Simplify right side
    228,376,939.77x = 39,065,582,625,258,944
  5. Step 5: Solve for x
    x = 39,065,582,625,258,944/228,376,939.77
  6. Step 6: Final answer
    x = 171,057,474.82

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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.