Home / 156,119,990-234,015,192.14-52,390,844.50

Finding the Fourth Proportional to 156,119,990, 234,015,192.14 and 52,390,844.50

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Solution

The fourth proportional to 156,119,990, 234,015,192.14 and 52,390,844.50 is: 78,530,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,119,990 : 234,015,192.14 = 52,390,844.50 : x
  2. Step 2: Convert to fraction form
    156,119,990/234,015,192.14 = 52,390,844.50/x
  3. Step 3: Cross multiply
    156,119,990x = 234,015,192.14 × 52,390,844.50
  4. Step 4: Simplify right side
    156,119,990x = 12,260,253,542,044,362
  5. Step 5: Solve for x
    x = 12,260,253,542,044,362/156,119,990
  6. Step 6: Final answer
    x = 78,530,965.46

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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.