Home / 66,431,731.20-99,647,596.80-52,994,803.20

Finding the Fourth Proportional to 66,431,731.20, 99,647,596.80 and 52,994,803.20

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Solution

The fourth proportional to 66,431,731.20, 99,647,596.80 and 52,994,803.20 is: 79,492,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431,731.20 : 99,647,596.80 = 52,994,803.20 : x
  2. Step 2: Convert to fraction form
    66,431,731.20/99,647,596.80 = 52,994,803.20/x
  3. Step 3: Cross multiply
    66,431,731.20x = 99,647,596.80 × 52,994,803.20
  4. Step 4: Simplify right side
    66,431,731.20x = 5,280,804,781,768,950
  5. Step 5: Solve for x
    x = 5,280,804,781,768,950/66,431,731.20
  6. Step 6: Final answer
    x = 79,492,204.80

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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.