Home / 80,851,579.60-121,277,369.40-32,305,428.40

Finding the Fourth Proportional to 80,851,579.60, 121,277,369.40 and 32,305,428.40

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Solution

The fourth proportional to 80,851,579.60, 121,277,369.40 and 32,305,428.40 is: 48,458,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,851,579.60 : 121,277,369.40 = 32,305,428.40 : x
  2. Step 2: Convert to fraction form
    80,851,579.60/121,277,369.40 = 32,305,428.40/x
  3. Step 3: Cross multiply
    80,851,579.60x = 121,277,369.40 × 32,305,428.40
  4. Step 4: Simplify right side
    80,851,579.60x = 3,917,917,373,692,051
  5. Step 5: Solve for x
    x = 3,917,917,373,692,051/80,851,579.60
  6. Step 6: Final answer
    x = 48,458,142.60

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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.