Home / 66,570,885.60-99,856,328.40-32,474,680.80

Finding the Fourth Proportional to 66,570,885.60, 99,856,328.40 and 32,474,680.80

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Solution

The fourth proportional to 66,570,885.60, 99,856,328.40 and 32,474,680.80 is: 48,712,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,570,885.60 : 99,856,328.40 = 32,474,680.80 : x
  2. Step 2: Convert to fraction form
    66,570,885.60/99,856,328.40 = 32,474,680.80/x
  3. Step 3: Cross multiply
    66,570,885.60x = 99,856,328.40 × 32,474,680.80
  4. Step 4: Simplify right side
    66,570,885.60x = 3,242,802,390,649,975
  5. Step 5: Solve for x
    x = 3,242,802,390,649,975/66,570,885.60
  6. Step 6: Final answer
    x = 48,712,021.20

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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.