Home / 116,719,825.32-161,092,953.90-79,025,896.08

Finding the Fourth Proportional to 116,719,825.32, 161,092,953.90 and 79,025,896.08

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Solution

The fourth proportional to 116,719,825.32, 161,092,953.90 and 79,025,896.08 is: 109,069,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,719,825.32 : 161,092,953.90 = 79,025,896.08 : x
  2. Step 2: Convert to fraction form
    116,719,825.32/161,092,953.90 = 79,025,896.08/x
  3. Step 3: Cross multiply
    116,719,825.32x = 161,092,953.90 × 79,025,896.08
  4. Step 4: Simplify right side
    116,719,825.32x = 12,730,515,034,121,630
  5. Step 5: Solve for x
    x = 12,730,515,034,121,630/116,719,825.32
  6. Step 6: Final answer
    x = 109,069,003.48

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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.