Home / 66,091,019.52-91,205,311.68-36,727,132.80

Finding the Fourth Proportional to 66,091,019.52, 91,205,311.68 and 36,727,132.80

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Solution

The fourth proportional to 66,091,019.52, 91,205,311.68 and 36,727,132.80 is: 50,683,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,091,019.52 : 91,205,311.68 = 36,727,132.80 : x
  2. Step 2: Convert to fraction form
    66,091,019.52/91,205,311.68 = 36,727,132.80/x
  3. Step 3: Cross multiply
    66,091,019.52x = 91,205,311.68 × 36,727,132.80
  4. Step 4: Simplify right side
    66,091,019.52x = 3,349,709,594,136,751
  5. Step 5: Solve for x
    x = 3,349,709,594,136,751/66,091,019.52
  6. Step 6: Final answer
    x = 50,683,279.19

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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.