Home / 165,164,108.27-227,932,331.67-90,830,320.38

Finding the Fourth Proportional to 165,164,108.27, 227,932,331.67 and 90,830,320.38

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Solution

The fourth proportional to 165,164,108.27, 227,932,331.67 and 90,830,320.38 is: 125,349,066.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,164,108.27 : 227,932,331.67 = 90,830,320.38 : x
  2. Step 2: Convert to fraction form
    165,164,108.27/227,932,331.67 = 90,830,320.38/x
  3. Step 3: Cross multiply
    165,164,108.27x = 227,932,331.67 × 90,830,320.38
  4. Step 4: Simplify right side
    165,164,108.27x = 20,703,166,710,546,520
  5. Step 5: Solve for x
    x = 20,703,166,710,546,520/165,164,108.27
  6. Step 6: Final answer
    x = 125,349,066.02

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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.