Home / 66,080,066.09-91,185,153.35-38,204,573.13

Finding the Fourth Proportional to 66,080,066.09, 91,185,153.35 and 38,204,573.13

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Solution

The fourth proportional to 66,080,066.09, 91,185,153.35 and 38,204,573.13 is: 52,719,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,080,066.09 : 91,185,153.35 = 38,204,573.13 : x
  2. Step 2: Convert to fraction form
    66,080,066.09/91,185,153.35 = 38,204,573.13/x
  3. Step 3: Cross multiply
    66,080,066.09x = 91,185,153.35 × 38,204,573.13
  4. Step 4: Simplify right side
    66,080,066.09x = 3,483,689,859,339,317
  5. Step 5: Solve for x
    x = 3,483,689,859,339,317/66,080,066.09
  6. Step 6: Final answer
    x = 52,719,224.81

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1.5x scale

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.