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Finding the Fourth Proportional to 113,352,356.40, 169,776,592.20 and 113,352,356.40

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Solution

The fourth proportional to 113,352,356.40, 169,776,592.20 and 113,352,356.40 is: 169,776,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,352,356.40 : 169,776,592.20 = 113,352,356.40 : x
  2. Step 2: Convert to fraction form
    113,352,356.40/169,776,592.20 = 113,352,356.40/x
  3. Step 3: Cross multiply
    113,352,356.40x = 169,776,592.20 × 113,352,356.40
  4. Step 4: Simplify right side
    113,352,356.40x = 19,244,576,787,431,860
  5. Step 5: Solve for x
    x = 19,244,576,787,431,860/113,352,356.40
  6. Step 6: Final answer
    x = 169,776,592.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.