Home / 302,942,676.12-418,079,628-167,152,248.47

Finding the Fourth Proportional to 302,942,676.12, 418,079,628 and 167,152,248.47

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Solution

The fourth proportional to 302,942,676.12, 418,079,628 and 167,152,248.47 is: 230,680,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,942,676.12 : 418,079,628 = 167,152,248.47 : x
  2. Step 2: Convert to fraction form
    302,942,676.12/418,079,628 = 167,152,248.47/x
  3. Step 3: Cross multiply
    302,942,676.12x = 418,079,628 × 167,152,248.47
  4. Step 4: Simplify right side
    302,942,676.12x = 69,882,949,857,610,776
  5. Step 5: Solve for x
    x = 69,882,949,857,610,776/302,942,676.12
  6. Step 6: Final answer
    x = 230,680,440.12

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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.