Home / 243,237,491.64-335,663,589.78-131,727,426.39

Finding the Fourth Proportional to 243,237,491.64, 335,663,589.78 and 131,727,426.39

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Solution

The fourth proportional to 243,237,491.64, 335,663,589.78 and 131,727,426.39 is: 181,781,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,237,491.64 : 335,663,589.78 = 131,727,426.39 : x
  2. Step 2: Convert to fraction form
    243,237,491.64/335,663,589.78 = 131,727,426.39/x
  3. Step 3: Cross multiply
    243,237,491.64x = 335,663,589.78 × 131,727,426.39
  4. Step 4: Simplify right side
    243,237,491.64x = 44,216,100,814,548,104
  5. Step 5: Solve for x
    x = 44,216,100,814,548,104/243,237,491.64
  6. Step 6: Final answer
    x = 181,781,601.66

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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.