Home / 72,590,614.48-108,901,865.40-21,468,647.80

Finding the Fourth Proportional to 72,590,614.48, 108,901,865.40 and 21,468,647.80

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Solution

The fourth proportional to 72,590,614.48, 108,901,865.40 and 21,468,647.80 is: 32,207,687.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,590,614.48 : 108,901,865.40 = 21,468,647.80 : x
  2. Step 2: Convert to fraction form
    72,590,614.48/108,901,865.40 = 21,468,647.80/x
  3. Step 3: Cross multiply
    72,590,614.48x = 108,901,865.40 × 21,468,647.80
  4. Step 4: Simplify right side
    72,590,614.48x = 2,337,975,793,035,606.50
  5. Step 5: Solve for x
    x = 2,337,975,793,035,606.50/72,590,614.48
  6. Step 6: Final answer
    x = 32,207,687.04

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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.