Home / 293,510,028.13-440,253,551.47-99,421,443.05

Finding the Fourth Proportional to 293,510,028.13, 440,253,551.47 and 99,421,443.05

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Solution

The fourth proportional to 293,510,028.13, 440,253,551.47 and 99,421,443.05 is: 149,128,272.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,510,028.13 : 440,253,551.47 = 99,421,443.05 : x
  2. Step 2: Convert to fraction form
    293,510,028.13/440,253,551.47 = 99,421,443.05/x
  3. Step 3: Cross multiply
    293,510,028.13x = 440,253,551.47 × 99,421,443.05
  4. Step 4: Simplify right side
    293,510,028.13x = 43,770,643,393,869,864
  5. Step 5: Solve for x
    x = 43,770,643,393,869,864/293,510,028.13
  6. Step 6: Final answer
    x = 149,128,272.29

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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.