Home / 99,830,667.60-149,741,508.55-67,055,045.83

Finding the Fourth Proportional to 99,830,667.60, 149,741,508.55 and 67,055,045.83

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Solution

The fourth proportional to 99,830,667.60, 149,741,508.55 and 67,055,045.83 is: 100,579,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,830,667.60 : 149,741,508.55 = 67,055,045.83 : x
  2. Step 2: Convert to fraction form
    99,830,667.60/149,741,508.55 = 67,055,045.83/x
  3. Step 3: Cross multiply
    99,830,667.60x = 149,741,508.55 × 67,055,045.83
  4. Step 4: Simplify right side
    99,830,667.60x = 10,040,923,718,473,588
  5. Step 5: Solve for x
    x = 10,040,923,718,473,588/99,830,667.60
  6. Step 6: Final answer
    x = 100,579,550.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.