Home / 115,452,884.52-159,264,576.14-71,385,796.80

Finding the Fourth Proportional to 115,452,884.52, 159,264,576.14 and 71,385,796.80

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Solution

The fourth proportional to 115,452,884.52, 159,264,576.14 and 71,385,796.80 is: 98,475,050.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,452,884.52 : 159,264,576.14 = 71,385,796.80 : x
  2. Step 2: Convert to fraction form
    115,452,884.52/159,264,576.14 = 71,385,796.80/x
  3. Step 3: Cross multiply
    115,452,884.52x = 159,264,576.14 × 71,385,796.80
  4. Step 4: Simplify right side
    115,452,884.52x = 11,369,228,669,411,238
  5. Step 5: Solve for x
    x = 11,369,228,669,411,238/115,452,884.52
  6. Step 6: Final answer
    x = 98,475,050.81

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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.