Home / 66,656,099.36-91,981,074.48-37,282,337.12

Finding the Fourth Proportional to 66,656,099.36, 91,981,074.48 and 37,282,337.12

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Solution

The fourth proportional to 66,656,099.36, 91,981,074.48 and 37,282,337.12 is: 51,447,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,656,099.36 : 91,981,074.48 = 37,282,337.12 : x
  2. Step 2: Convert to fraction form
    66,656,099.36/91,981,074.48 = 37,282,337.12/x
  3. Step 3: Cross multiply
    66,656,099.36x = 91,981,074.48 × 37,282,337.12
  4. Step 4: Simplify right side
    66,656,099.36x = 3,429,269,427,423,188.50
  5. Step 5: Solve for x
    x = 3,429,269,427,423,188.50/66,656,099.36
  6. Step 6: Final answer
    x = 51,447,196.29

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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.