Home / 132,922,327.80-199,588,778.10-72,456,151.80

Finding the Fourth Proportional to 132,922,327.80, 199,588,778.10 and 72,456,151.80

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Solution

The fourth proportional to 132,922,327.80, 199,588,778.10 and 72,456,151.80 is: 108,796,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922,327.80 : 199,588,778.10 = 72,456,151.80 : x
  2. Step 2: Convert to fraction form
    132,922,327.80/199,588,778.10 = 72,456,151.80/x
  3. Step 3: Cross multiply
    132,922,327.80x = 199,588,778.10 × 72,456,151.80
  4. Step 4: Simplify right side
    132,922,327.80x = 14,461,434,803,590,114
  5. Step 5: Solve for x
    x = 14,461,434,803,590,114/132,922,327.80
  6. Step 6: Final answer
    x = 108,796,129.61

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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.