Home / 287,975,301.05-431,982,106.07-101,206,655.61

Finding the Fourth Proportional to 287,975,301.05, 431,982,106.07 and 101,206,655.61

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Solution

The fourth proportional to 287,975,301.05, 431,982,106.07 and 101,206,655.61 is: 151,816,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,975,301.05 : 431,982,106.07 = 101,206,655.61 : x
  2. Step 2: Convert to fraction form
    287,975,301.05/431,982,106.07 = 101,206,655.61/x
  3. Step 3: Cross multiply
    287,975,301.05x = 431,982,106.07 × 101,206,655.61
  4. Step 4: Simplify right side
    287,975,301.05x = 43,719,464,238,202,944
  5. Step 5: Solve for x
    x = 43,719,464,238,202,944/287,975,301.05
  6. Step 6: Final answer
    x = 151,816,715.11

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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.