Home / 51,460,758.42-71,018,163.09-30,833,761.74

Finding the Fourth Proportional to 51,460,758.42, 71,018,163.09 and 30,833,761.74

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Solution

The fourth proportional to 51,460,758.42, 71,018,163.09 and 30,833,761.74 is: 42,551,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,460,758.42 : 71,018,163.09 = 30,833,761.74 : x
  2. Step 2: Convert to fraction form
    51,460,758.42/71,018,163.09 = 30,833,761.74/x
  3. Step 3: Cross multiply
    51,460,758.42x = 71,018,163.09 × 30,833,761.74
  4. Step 4: Simplify right side
    51,460,758.42x = 2,189,757,119,929,522.25
  5. Step 5: Solve for x
    x = 2,189,757,119,929,522.25/51,460,758.42
  6. Step 6: Final answer
    x = 42,551,979.16

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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.