Home / 78,690,846.96-108,601,176.06-58,810,083.84

Finding the Fourth Proportional to 78,690,846.96, 108,601,176.06 and 58,810,083.84

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Solution

The fourth proportional to 78,690,846.96, 108,601,176.06 and 58,810,083.84 is: 81,163,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,690,846.96 : 108,601,176.06 = 58,810,083.84 : x
  2. Step 2: Convert to fraction form
    78,690,846.96/108,601,176.06 = 58,810,083.84/x
  3. Step 3: Cross multiply
    78,690,846.96x = 108,601,176.06 × 58,810,083.84
  4. Step 4: Simplify right side
    78,690,846.96x = 6,386,844,269,211,201
  5. Step 5: Solve for x
    x = 6,386,844,269,211,201/78,690,846.96
  6. Step 6: Final answer
    x = 81,163,750.50

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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.