Home / 132,860,489.40-199,290,734.10-89,494,903.80

Finding the Fourth Proportional to 132,860,489.40, 199,290,734.10 and 89,494,903.80

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Solution

The fourth proportional to 132,860,489.40, 199,290,734.10 and 89,494,903.80 is: 134,242,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,489.40 : 199,290,734.10 = 89,494,903.80 : x
  2. Step 2: Convert to fraction form
    132,860,489.40/199,290,734.10 = 89,494,903.80/x
  3. Step 3: Cross multiply
    132,860,489.40x = 199,290,734.10 × 89,494,903.80
  4. Step 4: Simplify right side
    132,860,489.40x = 17,835,505,076,510,878
  5. Step 5: Solve for x
    x = 17,835,505,076,510,878/132,860,489.40
  6. Step 6: Final answer
    x = 134,242,355.70

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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.