Home / 145,269,306.44-217,881,497.85-53,131,498.03

Finding the Fourth Proportional to 145,269,306.44, 217,881,497.85 and 53,131,498.03

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Solution

The fourth proportional to 145,269,306.44, 217,881,497.85 and 53,131,498.03 is: 79,689,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,269,306.44 : 217,881,497.85 = 53,131,498.03 : x
  2. Step 2: Convert to fraction form
    145,269,306.44/217,881,497.85 = 53,131,498.03/x
  3. Step 3: Cross multiply
    145,269,306.44x = 217,881,497.85 × 53,131,498.03
  4. Step 4: Simplify right side
    145,269,306.44x = 11,576,370,373,790,724
  5. Step 5: Solve for x
    x = 11,576,370,373,790,724/145,269,306.44
  6. Step 6: Final answer
    x = 79,689,031.75

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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.