Home / 157,429,144.75-217,241,722.16-90,450,257.71

Finding the Fourth Proportional to 157,429,144.75, 217,241,722.16 and 90,450,257.71

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Solution

The fourth proportional to 157,429,144.75, 217,241,722.16 and 90,450,257.71 is: 124,815,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,429,144.75 : 217,241,722.16 = 90,450,257.71 : x
  2. Step 2: Convert to fraction form
    157,429,144.75/217,241,722.16 = 90,450,257.71/x
  3. Step 3: Cross multiply
    157,429,144.75x = 217,241,722.16 × 90,450,257.71
  4. Step 4: Simplify right side
    157,429,144.75x = 19,649,569,754,283,964
  5. Step 5: Solve for x
    x = 19,649,569,754,283,964/157,429,144.75
  6. Step 6: Final answer
    x = 124,815,324.29

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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.