Home / 89,712,199.06-123,802,884.52-48,459,091.84

Finding the Fourth Proportional to 89,712,199.06, 123,802,884.52 and 48,459,091.84

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Solution

The fourth proportional to 89,712,199.06, 123,802,884.52 and 48,459,091.84 is: 66,873,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,199.06 : 123,802,884.52 = 48,459,091.84 : x
  2. Step 2: Convert to fraction form
    89,712,199.06/123,802,884.52 = 48,459,091.84/x
  3. Step 3: Cross multiply
    89,712,199.06x = 123,802,884.52 × 48,459,091.84
  4. Step 4: Simplify right side
    89,712,199.06x = 5,999,375,351,442,249
  5. Step 5: Solve for x
    x = 5,999,375,351,442,249/89,712,199.06
  6. Step 6: Final answer
    x = 66,873,573.65

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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.