Home / 45,639,820.97-68,482,207.03-21,374,557.11

Finding the Fourth Proportional to 45,639,820.97, 68,482,207.03 and 21,374,557.11

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Solution

The fourth proportional to 45,639,820.97, 68,482,207.03 and 21,374,557.11 is: 32,072,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,639,820.97 : 68,482,207.03 = 21,374,557.11 : x
  2. Step 2: Convert to fraction form
    45,639,820.97/68,482,207.03 = 21,374,557.11/x
  3. Step 3: Cross multiply
    45,639,820.97x = 68,482,207.03 × 21,374,557.11
  4. Step 4: Simplify right side
    45,639,820.97x = 1,463,776,845,181,578.50
  5. Step 5: Solve for x
    x = 1,463,776,845,181,578.50/45,639,820.97
  6. Step 6: Final answer
    x = 32,072,361.68

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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.