Home / 69,714,227.68-96,198,894.48-40,339,700.80

Finding the Fourth Proportional to 69,714,227.68, 96,198,894.48 and 40,339,700.80

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Solution

The fourth proportional to 69,714,227.68, 96,198,894.48 and 40,339,700.80 is: 55,664,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,714,227.68 : 96,198,894.48 = 40,339,700.80 : x
  2. Step 2: Convert to fraction form
    69,714,227.68/96,198,894.48 = 40,339,700.80/x
  3. Step 3: Cross multiply
    69,714,227.68x = 96,198,894.48 × 40,339,700.80
  4. Step 4: Simplify right side
    69,714,227.68x = 3,880,634,620,613,971.50
  5. Step 5: Solve for x
    x = 3,880,634,620,613,971.50/69,714,227.68
  6. Step 6: Final answer
    x = 55,664,887.21

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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.