Home / 303,321,017.66-418,578,927.63-169,361,016.94

Finding the Fourth Proportional to 303,321,017.66, 418,578,927.63 and 169,361,016.94

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Solution

The fourth proportional to 303,321,017.66, 418,578,927.63 and 169,361,016.94 is: 233,715,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,321,017.66 : 418,578,927.63 = 169,361,016.94 : x
  2. Step 2: Convert to fraction form
    303,321,017.66/418,578,927.63 = 169,361,016.94/x
  3. Step 3: Cross multiply
    303,321,017.66x = 418,578,927.63 × 169,361,016.94
  4. Step 4: Simplify right side
    303,321,017.66x = 70,890,952,850,131,768
  5. Step 5: Solve for x
    x = 70,890,952,850,131,768/303,321,017.66
  6. Step 6: Final answer
    x = 233,715,927.10

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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.