Home / 254,657,700.51-381,986,073.96-79,794,121.15

Finding the Fourth Proportional to 254,657,700.51, 381,986,073.96 and 79,794,121.15

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Solution

The fourth proportional to 254,657,700.51, 381,986,073.96 and 79,794,121.15 is: 119,691,032.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,657,700.51 : 381,986,073.96 = 79,794,121.15 : x
  2. Step 2: Convert to fraction form
    254,657,700.51/381,986,073.96 = 79,794,121.15/x
  3. Step 3: Cross multiply
    254,657,700.51x = 381,986,073.96 × 79,794,121.15
  4. Step 4: Simplify right side
    254,657,700.51x = 30,480,243,063,177,100
  5. Step 5: Solve for x
    x = 30,480,243,063,177,100/254,657,700.51
  6. Step 6: Final answer
    x = 119,691,032.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.