Home / 45,649,433.97-68,312,513.73-28,385,764.46

Finding the Fourth Proportional to 45,649,433.97, 68,312,513.73 and 28,385,764.46

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Solution

The fourth proportional to 45,649,433.97, 68,312,513.73 and 28,385,764.46 is: 42,478,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,649,433.97 : 68,312,513.73 = 28,385,764.46 : x
  2. Step 2: Convert to fraction form
    45,649,433.97/68,312,513.73 = 28,385,764.46/x
  3. Step 3: Cross multiply
    45,649,433.97x = 68,312,513.73 × 28,385,764.46
  4. Step 4: Simplify right side
    45,649,433.97x = 1,939,102,924,068,733.50
  5. Step 5: Solve for x
    x = 1,939,102,924,068,733.50/45,649,433.97
  6. Step 6: Final answer
    x = 42,478,137.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.