Home / 77,170,834.45-106,491,840.65-45,810,223.93

Finding the Fourth Proportional to 77,170,834.45, 106,491,840.65 and 45,810,223.93

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Solution

The fourth proportional to 77,170,834.45, 106,491,840.65 and 45,810,223.93 is: 63,215,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,170,834.45 : 106,491,840.65 = 45,810,223.93 : x
  2. Step 2: Convert to fraction form
    77,170,834.45/106,491,840.65 = 45,810,223.93/x
  3. Step 3: Cross multiply
    77,170,834.45x = 106,491,840.65 × 45,810,223.93
  4. Step 4: Simplify right side
    77,170,834.45x = 4,878,415,066,665,325
  5. Step 5: Solve for x
    x = 4,878,415,066,665,325/77,170,834.45
  6. Step 6: Final answer
    x = 63,215,787.43

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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.