Home / 165,865,820.46-228,899,696.90-90,517,013.48

Finding the Fourth Proportional to 165,865,820.46, 228,899,696.90 and 90,517,013.48

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Solution

The fourth proportional to 165,865,820.46, 228,899,696.90 and 90,517,013.48 is: 124,916,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,865,820.46 : 228,899,696.90 = 90,517,013.48 : x
  2. Step 2: Convert to fraction form
    165,865,820.46/228,899,696.90 = 90,517,013.48/x
  3. Step 3: Cross multiply
    165,865,820.46x = 228,899,696.90 × 90,517,013.48
  4. Step 4: Simplify right side
    165,865,820.46x = 20,719,316,948,268,132
  5. Step 5: Solve for x
    x = 20,719,316,948,268,132/165,865,820.46
  6. Step 6: Final answer
    x = 124,916,133.36

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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.