Home / 197,889,805.45-272,974,471.89-123,421,079.12

Finding the Fourth Proportional to 197,889,805.45, 272,974,471.89 and 123,421,079.12

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Solution

The fourth proportional to 197,889,805.45, 272,974,471.89 and 123,421,079.12 is: 170,250,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,889,805.45 : 272,974,471.89 = 123,421,079.12 : x
  2. Step 2: Convert to fraction form
    197,889,805.45/272,974,471.89 = 123,421,079.12/x
  3. Step 3: Cross multiply
    197,889,805.45x = 272,974,471.89 × 123,421,079.12
  4. Step 4: Simplify right side
    197,889,805.45x = 33,690,803,891,202,476
  5. Step 5: Solve for x
    x = 33,690,803,891,202,476/197,889,805.45
  6. Step 6: Final answer
    x = 170,250,326.01

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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.