Home / 243,237,508.38-335,663,614.71-131,727,444.54

Finding the Fourth Proportional to 243,237,508.38, 335,663,614.71 and 131,727,444.54

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Solution

The fourth proportional to 243,237,508.38, 335,663,614.71 and 131,727,444.54 is: 181,781,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,237,508.38 : 335,663,614.71 = 131,727,444.54 : x
  2. Step 2: Convert to fraction form
    243,237,508.38/335,663,614.71 = 131,727,444.54/x
  3. Step 3: Cross multiply
    243,237,508.38x = 335,663,614.71 × 131,727,444.54
  4. Step 4: Simplify right side
    243,237,508.38x = 44,216,110,190,807,456
  5. Step 5: Solve for x
    x = 44,216,110,190,807,456/243,237,508.38
  6. Step 6: Final answer
    x = 181,781,627.70

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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.