Home / 165,618,859.86-228,551,061.47-90,265,866.44

Finding the Fourth Proportional to 165,618,859.86, 228,551,061.47 and 90,265,866.44

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Solution

The fourth proportional to 165,618,859.86, 228,551,061.47 and 90,265,866.44 is: 124,565,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,618,859.86 : 228,551,061.47 = 90,265,866.44 : x
  2. Step 2: Convert to fraction form
    165,618,859.86/228,551,061.47 = 90,265,866.44/x
  3. Step 3: Cross multiply
    165,618,859.86x = 228,551,061.47 × 90,265,866.44
  4. Step 4: Simplify right side
    165,618,859.86x = 20,630,359,589,371,248
  5. Step 5: Solve for x
    x = 20,630,359,589,371,248/165,618,859.86
  6. Step 6: Final answer
    x = 124,565,279.62

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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.