Home / 165,618,866.16-228,551,070.05-90,265,872.69

Finding the Fourth Proportional to 165,618,866.16, 228,551,070.05 and 90,265,872.69

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Solution

The fourth proportional to 165,618,866.16, 228,551,070.05 and 90,265,872.69 is: 124,565,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,618,866.16 : 228,551,070.05 = 90,265,872.69 : x
  2. Step 2: Convert to fraction form
    165,618,866.16/228,551,070.05 = 90,265,872.69/x
  3. Step 3: Cross multiply
    165,618,866.16x = 228,551,070.05 × 90,265,872.69
  4. Step 4: Simplify right side
    165,618,866.16x = 20,630,361,792,182,836
  5. Step 5: Solve for x
    x = 20,630,361,792,182,836/165,618,866.16
  6. Step 6: Final answer
    x = 124,565,288.19

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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.