Home / 72,590,586.48-108,901,823.40-21,468,619.80

Finding the Fourth Proportional to 72,590,586.48, 108,901,823.40 and 21,468,619.80

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Solution

The fourth proportional to 72,590,586.48, 108,901,823.40 and 21,468,619.80 is: 32,207,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,590,586.48 : 108,901,823.40 = 21,468,619.80 : x
  2. Step 2: Convert to fraction form
    72,590,586.48/108,901,823.40 = 21,468,619.80/x
  3. Step 3: Cross multiply
    72,590,586.48x = 108,901,823.40 × 21,468,619.80
  4. Step 4: Simplify right side
    72,590,586.48x = 2,337,971,842,101,343.50
  5. Step 5: Solve for x
    x = 2,337,971,842,101,343.50/72,590,586.48
  6. Step 6: Final answer
    x = 32,207,645.03

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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.