Home / 274,931,845.31-379,403,279.10-149,484,039.57

Finding the Fourth Proportional to 274,931,845.31, 379,403,279.10 and 149,484,039.57

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Solution

The fourth proportional to 274,931,845.31, 379,403,279.10 and 149,484,039.57 is: 206,286,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,931,845.31 : 379,403,279.10 = 149,484,039.57 : x
  2. Step 2: Convert to fraction form
    274,931,845.31/379,403,279.10 = 149,484,039.57/x
  3. Step 3: Cross multiply
    274,931,845.31x = 379,403,279.10 × 149,484,039.57
  4. Step 4: Simplify right side
    274,931,845.31x = 56,714,734,785,972,152
  5. Step 5: Solve for x
    x = 56,714,734,785,972,152/274,931,845.31
  6. Step 6: Final answer
    x = 206,286,524.29

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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.