Home / 66,552,778.80-99,829,168.20-18,683,722.80

Finding the Fourth Proportional to 66,552,778.80, 99,829,168.20 and 18,683,722.80

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Solution

The fourth proportional to 66,552,778.80, 99,829,168.20 and 18,683,722.80 is: 28,025,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552,778.80 : 99,829,168.20 = 18,683,722.80 : x
  2. Step 2: Convert to fraction form
    66,552,778.80/99,829,168.20 = 18,683,722.80/x
  3. Step 3: Cross multiply
    66,552,778.80x = 99,829,168.20 × 18,683,722.80
  4. Step 4: Simplify right side
    66,552,778.80x = 1,865,180,506,003,375
  5. Step 5: Solve for x
    x = 1,865,180,506,003,375/66,552,778.80
  6. Step 6: Final answer
    x = 28,025,584.20

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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.