Home / 202,786,898.02-279,845,993.82-109,967,381.26

Finding the Fourth Proportional to 202,786,898.02, 279,845,993.82 and 109,967,381.26

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Solution

The fourth proportional to 202,786,898.02, 279,845,993.82 and 109,967,381.26 is: 151,755,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,786,898.02 : 279,845,993.82 = 109,967,381.26 : x
  2. Step 2: Convert to fraction form
    202,786,898.02/279,845,993.82 = 109,967,381.26/x
  3. Step 3: Cross multiply
    202,786,898.02x = 279,845,993.82 × 109,967,381.26
  4. Step 4: Simplify right side
    202,786,898.02x = 30,773,931,096,487,544
  5. Step 5: Solve for x
    x = 30,773,931,096,487,544/202,786,898.02
  6. Step 6: Final answer
    x = 151,755,026.57

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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.