Home / 228,811,736.90-315,746,788.28-124,388,894.82

Finding the Fourth Proportional to 228,811,736.90, 315,746,788.28 and 124,388,894.82

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Solution

The fourth proportional to 228,811,736.90, 315,746,788.28 and 124,388,894.82 is: 171,649,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,811,736.90 : 315,746,788.28 = 124,388,894.82 : x
  2. Step 2: Convert to fraction form
    228,811,736.90/315,746,788.28 = 124,388,894.82/x
  3. Step 3: Cross multiply
    228,811,736.90x = 315,746,788.28 × 124,388,894.82
  4. Step 4: Simplify right side
    228,811,736.90x = 39,275,394,037,113,720
  5. Step 5: Solve for x
    x = 39,275,394,037,113,720/228,811,736.90
  6. Step 6: Final answer
    x = 171,649,385.51

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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.