Home / 181,390,209.86-272,040,473.86-77,747,662.24

Finding the Fourth Proportional to 181,390,209.86, 272,040,473.86 and 77,747,662.24

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Solution

The fourth proportional to 181,390,209.86, 272,040,473.86 and 77,747,662.24 is: 116,602,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,390,209.86 : 272,040,473.86 = 77,747,662.24 : x
  2. Step 2: Convert to fraction form
    181,390,209.86/272,040,473.86 = 77,747,662.24/x
  3. Step 3: Cross multiply
    181,390,209.86x = 272,040,473.86 × 77,747,662.24
  4. Step 4: Simplify right side
    181,390,209.86x = 21,150,510,876,402,360
  5. Step 5: Solve for x
    x = 21,150,510,876,402,360/181,390,209.86
  6. Step 6: Final answer
    x = 116,602,273.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.