Home / 87,617,074.60-131,425,611.90-64,942,258.60

Finding the Fourth Proportional to 87,617,074.60, 131,425,611.90 and 64,942,258.60

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Solution

The fourth proportional to 87,617,074.60, 131,425,611.90 and 64,942,258.60 is: 97,413,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,617,074.60 : 131,425,611.90 = 64,942,258.60 : x
  2. Step 2: Convert to fraction form
    87,617,074.60/131,425,611.90 = 64,942,258.60/x
  3. Step 3: Cross multiply
    87,617,074.60x = 131,425,611.90 × 64,942,258.60
  4. Step 4: Simplify right side
    87,617,074.60x = 8,535,076,074,673,038
  5. Step 5: Solve for x
    x = 8,535,076,074,673,038/87,617,074.60
  6. Step 6: Final answer
    x = 97,413,387.90

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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.