Home / 115,699,288.68-159,664,576.50-63,489,197.16

Finding the Fourth Proportional to 115,699,288.68, 159,664,576.50 and 63,489,197.16

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Solution

The fourth proportional to 115,699,288.68, 159,664,576.50 and 63,489,197.16 is: 87,614,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,699,288.68 : 159,664,576.50 = 63,489,197.16 : x
  2. Step 2: Convert to fraction form
    115,699,288.68/159,664,576.50 = 63,489,197.16/x
  3. Step 3: Cross multiply
    115,699,288.68x = 159,664,576.50 × 63,489,197.16
  4. Step 4: Simplify right side
    115,699,288.68x = 10,136,975,776,876,402
  5. Step 5: Solve for x
    x = 10,136,975,776,876,402/115,699,288.68
  6. Step 6: Final answer
    x = 87,614,849.60

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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.