Home / 66,193,742.40-99,290,613.60-32,181,518.40

Finding the Fourth Proportional to 66,193,742.40, 99,290,613.60 and 32,181,518.40

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Solution

The fourth proportional to 66,193,742.40, 99,290,613.60 and 32,181,518.40 is: 48,272,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,193,742.40 : 99,290,613.60 = 32,181,518.40 : x
  2. Step 2: Convert to fraction form
    66,193,742.40/99,290,613.60 = 32,181,518.40/x
  3. Step 3: Cross multiply
    66,193,742.40x = 99,290,613.60 × 32,181,518.40
  4. Step 4: Simplify right side
    66,193,742.40x = 3,195,322,708,515,690
  5. Step 5: Solve for x
    x = 3,195,322,708,515,690/66,193,742.40
  6. Step 6: Final answer
    x = 48,272,277.60

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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.