Home / 243,157,905.45-335,553,903.57-131,647,854.75

Finding the Fourth Proportional to 243,157,905.45, 335,553,903.57 and 131,647,854.75

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Solution

The fourth proportional to 243,157,905.45, 335,553,903.57 and 131,647,854.75 is: 181,671,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,157,905.45 : 335,553,903.57 = 131,647,854.75 : x
  2. Step 2: Convert to fraction form
    243,157,905.45/335,553,903.57 = 131,647,854.75/x
  3. Step 3: Cross multiply
    243,157,905.45x = 335,553,903.57 × 131,647,854.75
  4. Step 4: Simplify right side
    243,157,905.45x = 44,174,951,557,320,624
  5. Step 5: Solve for x
    x = 44,174,951,557,320,624/243,157,905.45
  6. Step 6: Final answer
    x = 181,671,870.70

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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.