Home / 82,133,642.88-113,344,429.41-45,464,213.88

Finding the Fourth Proportional to 82,133,642.88, 113,344,429.41 and 45,464,213.88

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Solution

The fourth proportional to 82,133,642.88, 113,344,429.41 and 45,464,213.88 is: 62,740,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,133,642.88 : 113,344,429.41 = 45,464,213.88 : x
  2. Step 2: Convert to fraction form
    82,133,642.88/113,344,429.41 = 45,464,213.88/x
  3. Step 3: Cross multiply
    82,133,642.88x = 113,344,429.41 × 45,464,213.88
  4. Step 4: Simplify right side
    82,133,642.88x = 5,153,115,380,802,802
  5. Step 5: Solve for x
    x = 5,153,115,380,802,802/82,133,642.88
  6. Step 6: Final answer
    x = 62,740,616.39

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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.