Home / 116,845,756.20-161,207,979.30-67,285,061.64

Finding the Fourth Proportional to 116,845,756.20, 161,207,979.30 and 67,285,061.64

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Solution

The fourth proportional to 116,845,756.20, 161,207,979.30 and 67,285,061.64 is: 92,830,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,845,756.20 : 161,207,979.30 = 67,285,061.64 : x
  2. Step 2: Convert to fraction form
    116,845,756.20/161,207,979.30 = 67,285,061.64/x
  3. Step 3: Cross multiply
    116,845,756.20x = 161,207,979.30 × 67,285,061.64
  4. Step 4: Simplify right side
    116,845,756.20x = 10,846,888,824,060,344
  5. Step 5: Solve for x
    x = 10,846,888,824,060,344/116,845,756.20
  6. Step 6: Final answer
    x = 92,830,832.52

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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.