Home / 302,942,679.12-418,079,632.14-167,152,251.47

Finding the Fourth Proportional to 302,942,679.12, 418,079,632.14 and 167,152,251.47

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Solution

The fourth proportional to 302,942,679.12, 418,079,632.14 and 167,152,251.47 is: 230,680,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,942,679.12 : 418,079,632.14 = 167,152,251.47 : x
  2. Step 2: Convert to fraction form
    302,942,679.12/418,079,632.14 = 167,152,251.47/x
  3. Step 3: Cross multiply
    302,942,679.12x = 418,079,632.14 × 167,152,251.47
  4. Step 4: Simplify right side
    302,942,679.12x = 69,882,951,803,859,976
  5. Step 5: Solve for x
    x = 69,882,951,803,859,976/302,942,679.12
  6. Step 6: Final answer
    x = 230,680,444.26

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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.