Home / 117,569,003.07-162,005,951.57-90,945,615.68

Finding the Fourth Proportional to 117,569,003.07, 162,005,951.57 and 90,945,615.68

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Solution

The fourth proportional to 117,569,003.07, 162,005,951.57 and 90,945,615.68 is: 125,319,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,569,003.07 : 162,005,951.57 = 90,945,615.68 : x
  2. Step 2: Convert to fraction form
    117,569,003.07/162,005,951.57 = 90,945,615.68/x
  3. Step 3: Cross multiply
    117,569,003.07x = 162,005,951.57 × 90,945,615.68
  4. Step 4: Simplify right side
    117,569,003.07x = 14,733,731,008,093,154
  5. Step 5: Solve for x
    x = 14,733,731,008,093,154/117,569,003.07
  6. Step 6: Final answer
    x = 125,319,860.03

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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.