Home / 61,180,554.80-91,784,658.09-20,239,897.25

Finding the Fourth Proportional to 61,180,554.80, 91,784,658.09 and 20,239,897.25

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Solution

The fourth proportional to 61,180,554.80, 91,784,658.09 and 20,239,897.25 is: 30,364,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,180,554.80 : 91,784,658.09 = 20,239,897.25 : x
  2. Step 2: Convert to fraction form
    61,180,554.80/91,784,658.09 = 20,239,897.25/x
  3. Step 3: Cross multiply
    61,180,554.80x = 91,784,658.09 × 20,239,897.25
  4. Step 4: Simplify right side
    61,180,554.80x = 1,857,712,048,867,981.25
  5. Step 5: Solve for x
    x = 1,857,712,048,867,981.25/61,180,554.80
  6. Step 6: Final answer
    x = 30,364,419.79

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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.