Home / 193,543,411.20-289,916,985.60-133,027,468.80

Finding the Fourth Proportional to 193,543,411.20, 289,916,985.60 and 133,027,468.80

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Solution

The fourth proportional to 193,543,411.20, 289,916,985.60 and 133,027,468.80 is: 199,267,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,543,411.20 : 289,916,985.60 = 133,027,468.80 : x
  2. Step 2: Convert to fraction form
    193,543,411.20/289,916,985.60 = 133,027,468.80/x
  3. Step 3: Cross multiply
    193,543,411.20x = 289,916,985.60 × 133,027,468.80
  4. Step 4: Simplify right side
    193,543,411.20x = 38,566,922,756,494,048
  5. Step 5: Solve for x
    x = 38,566,922,756,494,048/193,543,411.20
  6. Step 6: Final answer
    x = 199,267,557.17

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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.