Home / 116,861,619.19-161,273,782.02-64,649,755.28

Finding the Fourth Proportional to 116,861,619.19, 161,273,782.02 and 64,649,755.28

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Solution

The fourth proportional to 116,861,619.19, 161,273,782.02 and 64,649,755.28 is: 89,219,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,861,619.19 : 161,273,782.02 = 64,649,755.28 : x
  2. Step 2: Convert to fraction form
    116,861,619.19/161,273,782.02 = 64,649,755.28/x
  3. Step 3: Cross multiply
    116,861,619.19x = 161,273,782.02 × 64,649,755.28
  4. Step 4: Simplify right side
    116,861,619.19x = 10,426,310,540,229,206
  5. Step 5: Solve for x
    x = 10,426,310,540,229,206/116,861,619.19
  6. Step 6: Final answer
    x = 89,219,288.70

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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.