Home / 117,914,969.19-162,720,477.88-64,270,092.63

Finding the Fourth Proportional to 117,914,969.19, 162,720,477.88 and 64,270,092.63

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Solution

The fourth proportional to 117,914,969.19, 162,720,477.88 and 64,270,092.63 is: 88,691,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,914,969.19 : 162,720,477.88 = 64,270,092.63 : x
  2. Step 2: Convert to fraction form
    117,914,969.19/162,720,477.88 = 64,270,092.63/x
  3. Step 3: Cross multiply
    117,914,969.19x = 162,720,477.88 × 64,270,092.63
  4. Step 4: Simplify right side
    117,914,969.19x = 10,458,060,185,984,792
  5. Step 5: Solve for x
    x = 10,458,060,185,984,792/117,914,969.19
  6. Step 6: Final answer
    x = 88,691,539.83

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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.