Home / 78,998,431.01-109,022,072.33-44,189,045.51

Finding the Fourth Proportional to 78,998,431.01, 109,022,072.33 and 44,189,045.51

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Solution

The fourth proportional to 78,998,431.01, 109,022,072.33 and 44,189,045.51 is: 60,983,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,998,431.01 : 109,022,072.33 = 44,189,045.51 : x
  2. Step 2: Convert to fraction form
    78,998,431.01/109,022,072.33 = 44,189,045.51/x
  3. Step 3: Cross multiply
    78,998,431.01x = 109,022,072.33 × 44,189,045.51
  4. Step 4: Simplify right side
    78,998,431.01x = 4,817,581,315,563,936
  5. Step 5: Solve for x
    x = 4,817,581,315,563,936/78,998,431.01
  6. Step 6: Final answer
    x = 60,983,253.14

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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.