Home / 87,855,943,471.26-121,118,644,223.89-58,925,303,321.63

Finding the Fourth Proportional to 87,855,943,471.26, 121,118,644,223.89 and 58,925,303,321.63

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Solution

The fourth proportional to 87,855,943,471.26, 121,118,644,223.89 and 58,925,303,321.63 is: 81,234,718,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,855,943,471.26 : 121,118,644,223.89 = 58,925,303,321.63 : x
  2. Step 2: Convert to fraction form
    87,855,943,471.26/121,118,644,223.89 = 58,925,303,321.63/x
  3. Step 3: Cross multiply
    87,855,943,471.26x = 121,118,644,223.89 × 58,925,303,321.63
  4. Step 4: Simplify right side
    87,855,943,471.26x = 7,136,952,848,797,307,764,736
  5. Step 5: Solve for x
    x = 7,136,952,848,797,307,764,736/87,855,943,471.26
  6. Step 6: Final answer
    x = 81,234,718,640.66

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Double scale
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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.