Home / 129,325,218.12-194,018,713.11-43,064,372.25

Finding the Fourth Proportional to 129,325,218.12, 194,018,713.11 and 43,064,372.25

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Solution

The fourth proportional to 129,325,218.12, 194,018,713.11 and 43,064,372.25 is: 64,606,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,325,218.12 : 194,018,713.11 = 43,064,372.25 : x
  2. Step 2: Convert to fraction form
    129,325,218.12/194,018,713.11 = 43,064,372.25/x
  3. Step 3: Cross multiply
    129,325,218.12x = 194,018,713.11 × 43,064,372.25
  4. Step 4: Simplify right side
    129,325,218.12x = 8,355,294,084,834,996
  5. Step 5: Solve for x
    x = 8,355,294,084,834,996/129,325,218.12
  6. Step 6: Final answer
    x = 64,606,843.17

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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.