Home / 199,113,697.32-274,689,732.57-189,882,193.44

Finding the Fourth Proportional to 199,113,697.32, 274,689,732.57 and 189,882,193.44

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Solution

The fourth proportional to 199,113,697.32, 274,689,732.57 and 189,882,193.44 is: 261,954,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,113,697.32 : 274,689,732.57 = 189,882,193.44 : x
  2. Step 2: Convert to fraction form
    199,113,697.32/274,689,732.57 = 189,882,193.44/x
  3. Step 3: Cross multiply
    199,113,697.32x = 274,689,732.57 × 189,882,193.44
  4. Step 4: Simplify right side
    199,113,697.32x = 52,158,688,935,838,608
  5. Step 5: Solve for x
    x = 52,158,688,935,838,608/199,113,697.32
  6. Step 6: Final answer
    x = 261,954,298.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.