Home / 243,157,935.50-335,553,945.18-131,647,884.74

Finding the Fourth Proportional to 243,157,935.50, 335,553,945.18 and 131,647,884.74

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Solution

The fourth proportional to 243,157,935.50, 335,553,945.18 and 131,647,884.74 is: 181,671,912.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,157,935.50 : 335,553,945.18 = 131,647,884.74 : x
  2. Step 2: Convert to fraction form
    243,157,935.50/335,553,945.18 = 131,647,884.74/x
  3. Step 3: Cross multiply
    243,157,935.50x = 335,553,945.18 × 131,647,884.74
  4. Step 4: Simplify right side
    243,157,935.50x = 44,174,967,099,454,120
  5. Step 5: Solve for x
    x = 44,174,967,099,454,120/243,157,935.50
  6. Step 6: Final answer
    x = 181,671,912.16

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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.