Home / 253,305,003.72-349,561,578.06-137,411,499.72

Finding the Fourth Proportional to 253,305,003.72, 349,561,578.06 and 137,411,499.72

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Solution

The fourth proportional to 253,305,003.72, 349,561,578.06 and 137,411,499.72 is: 189,628,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,305,003.72 : 349,561,578.06 = 137,411,499.72 : x
  2. Step 2: Convert to fraction form
    253,305,003.72/349,561,578.06 = 137,411,499.72/x
  3. Step 3: Cross multiply
    253,305,003.72x = 349,561,578.06 × 137,411,499.72
  4. Step 4: Simplify right side
    253,305,003.72x = 48,033,780,685,714,448
  5. Step 5: Solve for x
    x = 48,033,780,685,714,448/253,305,003.72
  6. Step 6: Final answer
    x = 189,628,234.66

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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.