Home / 132,860,049.40-199,321,566.90-68,173,838.20

Finding the Fourth Proportional to 132,860,049.40, 199,321,566.90 and 68,173,838.20

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Solution

The fourth proportional to 132,860,049.40, 199,321,566.90 and 68,173,838.20 is: 102,276,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,049.40 : 199,321,566.90 = 68,173,838.20 : x
  2. Step 2: Convert to fraction form
    132,860,049.40/199,321,566.90 = 68,173,838.20/x
  3. Step 3: Cross multiply
    132,860,049.40x = 199,321,566.90 × 68,173,838.20
  4. Step 4: Simplify right side
    132,860,049.40x = 13,588,516,251,611,076
  5. Step 5: Solve for x
    x = 13,588,516,251,611,076/132,860,049.40
  6. Step 6: Final answer
    x = 102,276,917.05

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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.