Home / 78,998,433.89-109,022,076.32-44,189,048.39

Finding the Fourth Proportional to 78,998,433.89, 109,022,076.32 and 44,189,048.39

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Solution

The fourth proportional to 78,998,433.89, 109,022,076.32 and 44,189,048.39 is: 60,983,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,998,433.89 : 109,022,076.32 = 44,189,048.39 : x
  2. Step 2: Convert to fraction form
    78,998,433.89/109,022,076.32 = 44,189,048.39/x
  3. Step 3: Cross multiply
    78,998,433.89x = 109,022,076.32 × 44,189,048.39
  4. Step 4: Simplify right side
    78,998,433.89x = 4,817,581,805,316,697
  5. Step 5: Solve for x
    x = 4,817,581,805,316,697/78,998,433.89
  6. Step 6: Final answer
    x = 60,983,257.12

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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.