Home / 157,725,887.65-217,673,507.06-90,765,371.41

Finding the Fourth Proportional to 157,725,887.65, 217,673,507.06 and 90,765,371.41

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Solution

The fourth proportional to 157,725,887.65, 217,673,507.06 and 90,765,371.41 is: 125,262,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,725,887.65 : 217,673,507.06 = 90,765,371.41 : x
  2. Step 2: Convert to fraction form
    157,725,887.65/217,673,507.06 = 90,765,371.41/x
  3. Step 3: Cross multiply
    157,725,887.65x = 217,673,507.06 × 90,765,371.41
  4. Step 4: Simplify right side
    157,725,887.65x = 19,757,216,714,418,156
  5. Step 5: Solve for x
    x = 19,757,216,714,418,156/157,725,887.65
  6. Step 6: Final answer
    x = 125,262,992.71

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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.