Home / 193,543,407.70-289,916,980.35-133,027,465.30

Finding the Fourth Proportional to 193,543,407.70, 289,916,980.35 and 133,027,465.30

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Solution

The fourth proportional to 193,543,407.70, 289,916,980.35 and 133,027,465.30 is: 199,267,551.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,543,407.70 : 289,916,980.35 = 133,027,465.30 : x
  2. Step 2: Convert to fraction form
    193,543,407.70/289,916,980.35 = 133,027,465.30/x
  3. Step 3: Cross multiply
    193,543,407.70x = 289,916,980.35 × 133,027,465.30
  4. Step 4: Simplify right side
    193,543,407.70x = 38,566,921,043,390,408
  5. Step 5: Solve for x
    x = 38,566,921,043,390,408/193,543,407.70
  6. Step 6: Final answer
    x = 199,267,551.92

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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.