Home / 65,496,305.88-90,385,532.64-36,128,876.40

Finding the Fourth Proportional to 65,496,305.88, 90,385,532.64 and 36,128,876.40

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Solution

The fourth proportional to 65,496,305.88, 90,385,532.64 and 36,128,876.40 is: 49,858,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,496,305.88 : 90,385,532.64 = 36,128,876.40 : x
  2. Step 2: Convert to fraction form
    65,496,305.88/90,385,532.64 = 36,128,876.40/x
  3. Step 3: Cross multiply
    65,496,305.88x = 90,385,532.64 × 36,128,876.40
  4. Step 4: Simplify right side
    65,496,305.88x = 3,265,527,737,098,725.50
  5. Step 5: Solve for x
    x = 3,265,527,737,098,725.50/65,496,305.88
  6. Step 6: Final answer
    x = 49,858,197.24

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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.