Home / 80,888,963.60-121,333,445.40-32,374,305.20

Finding the Fourth Proportional to 80,888,963.60, 121,333,445.40 and 32,374,305.20

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Solution

The fourth proportional to 80,888,963.60, 121,333,445.40 and 32,374,305.20 is: 48,561,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,888,963.60 : 121,333,445.40 = 32,374,305.20 : x
  2. Step 2: Convert to fraction form
    80,888,963.60/121,333,445.40 = 32,374,305.20/x
  3. Step 3: Cross multiply
    80,888,963.60x = 121,333,445.40 × 32,374,305.20
  4. Step 4: Simplify right side
    80,888,963.60x = 3,928,085,992,347,136
  5. Step 5: Solve for x
    x = 3,928,085,992,347,136/80,888,963.60
  6. Step 6: Final answer
    x = 48,561,457.80

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1.5x scale

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.