Home / 303,214,713.28-418,436,583.81-163,985,475.19

Finding the Fourth Proportional to 303,214,713.28, 418,436,583.81 and 163,985,475.19

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Solution

The fourth proportional to 303,214,713.28, 418,436,583.81 and 163,985,475.19 is: 226,300,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,214,713.28 : 418,436,583.81 = 163,985,475.19 : x
  2. Step 2: Convert to fraction form
    303,214,713.28/418,436,583.81 = 163,985,475.19/x
  3. Step 3: Cross multiply
    303,214,713.28x = 418,436,583.81 × 163,985,475.19
  4. Step 4: Simplify right side
    303,214,713.28x = 68,617,522,032,963,112
  5. Step 5: Solve for x
    x = 68,617,522,032,963,112/303,214,713.28
  6. Step 6: Final answer
    x = 226,300,106.91

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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.