Home / 132,860,519.40-199,290,779.10-120,743,664.60

Finding the Fourth Proportional to 132,860,519.40, 199,290,779.10 and 120,743,664.60

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Solution

The fourth proportional to 132,860,519.40, 199,290,779.10 and 120,743,664.60 is: 181,115,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,519.40 : 199,290,779.10 = 120,743,664.60 : x
  2. Step 2: Convert to fraction form
    132,860,519.40/199,290,779.10 = 120,743,664.60/x
  3. Step 3: Cross multiply
    132,860,519.40x = 199,290,779.10 × 120,743,664.60
  4. Step 4: Simplify right side
    132,860,519.40x = 24,063,098,989,523,088
  5. Step 5: Solve for x
    x = 24,063,098,989,523,088/132,860,519.40
  6. Step 6: Final answer
    x = 181,115,496.90

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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.