Home / 197,889,807.73-272,974,475.03-123,421,081.40

Finding the Fourth Proportional to 197,889,807.73, 272,974,475.03 and 123,421,081.40

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Solution

The fourth proportional to 197,889,807.73, 272,974,475.03 and 123,421,081.40 is: 170,250,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,889,807.73 : 272,974,475.03 = 123,421,081.40 : x
  2. Step 2: Convert to fraction form
    197,889,807.73/272,974,475.03 = 123,421,081.40/x
  3. Step 3: Cross multiply
    197,889,807.73x = 272,974,475.03 × 123,421,081.40
  4. Step 4: Simplify right side
    197,889,807.73x = 33,690,804,902,535,200
  5. Step 5: Solve for x
    x = 33,690,804,902,535,200/197,889,807.73
  6. Step 6: Final answer
    x = 170,250,329.16

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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.