Home / 66,069,136.80-99,103,705.20-52,464,247.20

Finding the Fourth Proportional to 66,069,136.80, 99,103,705.20 and 52,464,247.20

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Solution

The fourth proportional to 66,069,136.80, 99,103,705.20 and 52,464,247.20 is: 78,696,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069,136.80 : 99,103,705.20 = 52,464,247.20 : x
  2. Step 2: Convert to fraction form
    66,069,136.80/99,103,705.20 = 52,464,247.20/x
  3. Step 3: Cross multiply
    66,069,136.80x = 99,103,705.20 × 52,464,247.20
  4. Step 4: Simplify right side
    66,069,136.80x = 5,199,401,288,048,726
  5. Step 5: Solve for x
    x = 5,199,401,288,048,726/66,069,136.80
  6. Step 6: Final answer
    x = 78,696,370.80

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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.