Home / 273,276,804.72-409,585,868.16-125,520,471.12

Finding the Fourth Proportional to 273,276,804.72, 409,585,868.16 and 125,520,471.12

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Solution

The fourth proportional to 273,276,804.72, 409,585,868.16 and 125,520,471.12 is: 188,129,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,276,804.72 : 409,585,868.16 = 125,520,471.12 : x
  2. Step 2: Convert to fraction form
    273,276,804.72/409,585,868.16 = 125,520,471.12/x
  3. Step 3: Cross multiply
    273,276,804.72x = 409,585,868.16 × 125,520,471.12
  4. Step 4: Simplify right side
    273,276,804.72x = 51,411,411,135,537,416
  5. Step 5: Solve for x
    x = 51,411,411,135,537,416/273,276,804.72
  6. Step 6: Final answer
    x = 188,129,435.97

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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.