Home / 53,966,000.60-80,921,007.30-19,869,795.80

Finding the Fourth Proportional to 53,966,000.60, 80,921,007.30 and 19,869,795.80

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Solution

The fourth proportional to 53,966,000.60, 80,921,007.30 and 19,869,795.80 is: 29,794,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,966,000.60 : 80,921,007.30 = 19,869,795.80 : x
  2. Step 2: Convert to fraction form
    53,966,000.60/80,921,007.30 = 19,869,795.80/x
  3. Step 3: Cross multiply
    53,966,000.60x = 80,921,007.30 × 19,869,795.80
  4. Step 4: Simplify right side
    53,966,000.60x = 1,607,883,890,981,309.25
  5. Step 5: Solve for x
    x = 1,607,883,890,981,309.25/53,966,000.60
  6. Step 6: Final answer
    x = 29,794,386.71

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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.