Home / 117,274,599.04-161,858,372.16-65,080,399.36

Finding the Fourth Proportional to 117,274,599.04, 161,858,372.16 and 65,080,399.36

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Solution

The fourth proportional to 117,274,599.04, 161,858,372.16 and 65,080,399.36 is: 89,821,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,274,599.04 : 161,858,372.16 = 65,080,399.36 : x
  2. Step 2: Convert to fraction form
    117,274,599.04/161,858,372.16 = 65,080,399.36/x
  3. Step 3: Cross multiply
    117,274,599.04x = 161,858,372.16 × 65,080,399.36
  4. Step 4: Simplify right side
    117,274,599.04x = 10,533,807,499,932,306
  5. Step 5: Solve for x
    x = 10,533,807,499,932,306/117,274,599.04
  6. Step 6: Final answer
    x = 89,821,731.10

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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.