Home / 66,449,518.20-99,692,939.70-32,371,975.80

Finding the Fourth Proportional to 66,449,518.20, 99,692,939.70 and 32,371,975.80

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Solution

The fourth proportional to 66,449,518.20, 99,692,939.70 and 32,371,975.80 is: 48,567,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,449,518.20 : 99,692,939.70 = 32,371,975.80 : x
  2. Step 2: Convert to fraction form
    66,449,518.20/99,692,939.70 = 32,371,975.80/x
  3. Step 3: Cross multiply
    66,449,518.20x = 99,692,939.70 × 32,371,975.80
  4. Step 4: Simplify right side
    66,449,518.20x = 3,227,257,431,399,259.50
  5. Step 5: Solve for x
    x = 3,227,257,431,399,259.50/66,449,518.20
  6. Step 6: Final answer
    x = 48,567,055.40

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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.