Home / 171,234,821.97-235,916,216.55-163,071,888.21

Finding the Fourth Proportional to 171,234,821.97, 235,916,216.55 and 163,071,888.21

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Solution

The fourth proportional to 171,234,821.97, 235,916,216.55 and 163,071,888.21 is: 224,669,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,234,821.97 : 235,916,216.55 = 163,071,888.21 : x
  2. Step 2: Convert to fraction form
    171,234,821.97/235,916,216.55 = 163,071,888.21/x
  3. Step 3: Cross multiply
    171,234,821.97x = 235,916,216.55 × 163,071,888.21
  4. Step 4: Simplify right side
    171,234,821.97x = 38,471,302,892,167,752
  5. Step 5: Solve for x
    x = 38,471,302,892,167,752/171,234,821.97
  6. Step 6: Final answer
    x = 224,669,856.57

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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.