Home / 76,716,745.43-105,872,887.85-43,677,648.95

Finding the Fourth Proportional to 76,716,745.43, 105,872,887.85 and 43,677,648.95

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Solution

The fourth proportional to 76,716,745.43, 105,872,887.85 and 43,677,648.95 is: 60,277,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,716,745.43 : 105,872,887.85 = 43,677,648.95 : x
  2. Step 2: Convert to fraction form
    76,716,745.43/105,872,887.85 = 43,677,648.95/x
  3. Step 3: Cross multiply
    76,716,745.43x = 105,872,887.85 × 43,677,648.95
  4. Step 4: Simplify right side
    76,716,745.43x = 4,624,278,828,087,268
  5. Step 5: Solve for x
    x = 4,624,278,828,087,268/76,716,745.43
  6. Step 6: Final answer
    x = 60,277,307.16

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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.