Home / 156,560,628.40-234,840,942.60-131,240,417.20

Finding the Fourth Proportional to 156,560,628.40, 234,840,942.60 and 131,240,417.20

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Solution

The fourth proportional to 156,560,628.40, 234,840,942.60 and 131,240,417.20 is: 196,860,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,560,628.40 : 234,840,942.60 = 131,240,417.20 : x
  2. Step 2: Convert to fraction form
    156,560,628.40/234,840,942.60 = 131,240,417.20/x
  3. Step 3: Cross multiply
    156,560,628.40x = 234,840,942.60 × 131,240,417.20
  4. Step 4: Simplify right side
    156,560,628.40x = 30,820,623,282,465,252
  5. Step 5: Solve for x
    x = 30,820,623,282,465,252/156,560,628.40
  6. Step 6: Final answer
    x = 196,860,625.80

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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.