Home / 45,649,433.41-68,312,512.89-28,385,763.89

Finding the Fourth Proportional to 45,649,433.41, 68,312,512.89 and 28,385,763.89

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Solution

The fourth proportional to 45,649,433.41, 68,312,512.89 and 28,385,763.89 is: 42,478,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,649,433.41 : 68,312,512.89 = 28,385,763.89 : x
  2. Step 2: Convert to fraction form
    45,649,433.41/68,312,512.89 = 28,385,763.89/x
  3. Step 3: Cross multiply
    45,649,433.41x = 68,312,512.89 × 28,385,763.89
  4. Step 4: Simplify right side
    45,649,433.41x = 1,939,102,861,286,559
  5. Step 5: Solve for x
    x = 1,939,102,861,286,559/45,649,433.41
  6. Step 6: Final answer
    x = 42,478,136.45

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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.