Home / 117,569,004.07-162,005,952.94-90,945,616.68

Finding the Fourth Proportional to 117,569,004.07, 162,005,952.94 and 90,945,616.68

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Solution

The fourth proportional to 117,569,004.07, 162,005,952.94 and 90,945,616.68 is: 125,319,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,569,004.07 : 162,005,952.94 = 90,945,616.68 : x
  2. Step 2: Convert to fraction form
    117,569,004.07/162,005,952.94 = 90,945,616.68/x
  3. Step 3: Cross multiply
    117,569,004.07x = 162,005,952.94 × 90,945,616.68
  4. Step 4: Simplify right side
    117,569,004.07x = 14,733,731,295,959,360
  5. Step 5: Solve for x
    x = 14,733,731,295,959,360/117,569,004.07
  6. Step 6: Final answer
    x = 125,319,861.41

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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.