Home / 39,310,897.80-58,966,346.70-20,179,021.80

Finding the Fourth Proportional to 39,310,897.80, 58,966,346.70 and 20,179,021.80

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Solution

The fourth proportional to 39,310,897.80, 58,966,346.70 and 20,179,021.80 is: 30,268,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310,897.80 : 58,966,346.70 = 20,179,021.80 : x
  2. Step 2: Convert to fraction form
    39,310,897.80/58,966,346.70 = 20,179,021.80/x
  3. Step 3: Cross multiply
    39,310,897.80x = 58,966,346.70 × 20,179,021.80
  4. Step 4: Simplify right side
    39,310,897.80x = 1,189,883,195,525,658.25
  5. Step 5: Solve for x
    x = 1,189,883,195,525,658.25/39,310,897.80
  6. Step 6: Final answer
    x = 30,268,532.70

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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.