Home / 65,957,813.70-98,936,720.55-49,589,430.90

Finding the Fourth Proportional to 65,957,813.70, 98,936,720.55 and 49,589,430.90

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Solution

The fourth proportional to 65,957,813.70, 98,936,720.55 and 49,589,430.90 is: 74,384,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,957,813.70 : 98,936,720.55 = 49,589,430.90 : x
  2. Step 2: Convert to fraction form
    65,957,813.70/98,936,720.55 = 49,589,430.90/x
  3. Step 3: Cross multiply
    65,957,813.70x = 98,936,720.55 × 49,589,430.90
  4. Step 4: Simplify right side
    65,957,813.70x = 4,906,215,667,186,835
  5. Step 5: Solve for x
    x = 4,906,215,667,186,835/65,957,813.70
  6. Step 6: Final answer
    x = 74,384,146.35

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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.