Home / 99,647,628.44-137,510,609.46-58,421,978.60

Finding the Fourth Proportional to 99,647,628.44, 137,510,609.46 and 58,421,978.60

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Solution

The fourth proportional to 99,647,628.44, 137,510,609.46 and 58,421,978.60 is: 80,620,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,647,628.44 : 137,510,609.46 = 58,421,978.60 : x
  2. Step 2: Convert to fraction form
    99,647,628.44/137,510,609.46 = 58,421,978.60/x
  3. Step 3: Cross multiply
    99,647,628.44x = 137,510,609.46 × 58,421,978.60
  4. Step 4: Simplify right side
    99,647,628.44x = 8,033,641,883,145,078
  5. Step 5: Solve for x
    x = 8,033,641,883,145,078/99,647,628.44
  6. Step 6: Final answer
    x = 80,620,502.55

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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.