Home / 90,310,233.71-124,631,541.77-50,618,491.60

Finding the Fourth Proportional to 90,310,233.71, 124,631,541.77 and 50,618,491.60

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Solution

The fourth proportional to 90,310,233.71, 124,631,541.77 and 50,618,491.60 is: 69,855,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,310,233.71 : 124,631,541.77 = 50,618,491.60 : x
  2. Step 2: Convert to fraction form
    90,310,233.71/124,631,541.77 = 50,618,491.60/x
  3. Step 3: Cross multiply
    90,310,233.71x = 124,631,541.77 × 50,618,491.60
  4. Step 4: Simplify right side
    90,310,233.71x = 6,308,660,650,179,794
  5. Step 5: Solve for x
    x = 6,308,660,650,179,794/90,310,233.71
  6. Step 6: Final answer
    x = 69,855,434.88

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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.