Home / 177,669,979.79-266,529,222.09-74,014,944.39

Finding the Fourth Proportional to 177,669,979.79, 266,529,222.09 and 74,014,944.39

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Solution

The fourth proportional to 177,669,979.79, 266,529,222.09 and 74,014,944.39 is: 111,032,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,669,979.79 : 266,529,222.09 = 74,014,944.39 : x
  2. Step 2: Convert to fraction form
    177,669,979.79/266,529,222.09 = 74,014,944.39/x
  3. Step 3: Cross multiply
    177,669,979.79x = 266,529,222.09 × 74,014,944.39
  4. Step 4: Simplify right side
    177,669,979.79x = 19,727,145,551,301,308
  5. Step 5: Solve for x
    x = 19,727,145,551,301,308/177,669,979.79
  6. Step 6: Final answer
    x = 111,032,519.82

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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.