Home / 117,134,383.32-161,655,122.52-64,939,791.24

Finding the Fourth Proportional to 117,134,383.32, 161,655,122.52 and 64,939,791.24

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Solution

The fourth proportional to 117,134,383.32, 161,655,122.52 and 64,939,791.24 is: 89,622,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,134,383.32 : 161,655,122.52 = 64,939,791.24 : x
  2. Step 2: Convert to fraction form
    117,134,383.32/161,655,122.52 = 64,939,791.24/x
  3. Step 3: Cross multiply
    117,134,383.32x = 161,655,122.52 × 64,939,791.24
  4. Step 4: Simplify right side
    117,134,383.32x = 10,497,849,909,325,424
  5. Step 5: Solve for x
    x = 10,497,849,909,325,424/117,134,383.32
  6. Step 6: Final answer
    x = 89,622,274.96

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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.