Home / 214,418,669.56-321,663,878.34-168,358,680.76

Finding the Fourth Proportional to 214,418,669.56, 321,663,878.34 and 168,358,680.76

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Solution

The fourth proportional to 214,418,669.56, 321,663,878.34 and 168,358,680.76 is: 252,566,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,418,669.56 : 321,663,878.34 = 168,358,680.76 : x
  2. Step 2: Convert to fraction form
    214,418,669.56/321,663,878.34 = 168,358,680.76/x
  3. Step 3: Cross multiply
    214,418,669.56x = 321,663,878.34 × 168,358,680.76
  4. Step 4: Simplify right side
    214,418,669.56x = 54,154,906,205,467,528
  5. Step 5: Solve for x
    x = 54,154,906,205,467,528/214,418,669.56
  6. Step 6: Final answer
    x = 252,566,188.93

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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.