Home / 74,861,700.20-112,292,550.30-18,128,004.20

Finding the Fourth Proportional to 74,861,700.20, 112,292,550.30 and 18,128,004.20

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Solution

The fourth proportional to 74,861,700.20, 112,292,550.30 and 18,128,004.20 is: 27,192,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,861,700.20 : 112,292,550.30 = 18,128,004.20 : x
  2. Step 2: Convert to fraction form
    74,861,700.20/112,292,550.30 = 18,128,004.20/x
  3. Step 3: Cross multiply
    74,861,700.20x = 112,292,550.30 × 18,128,004.20
  4. Step 4: Simplify right side
    74,861,700.20x = 2,035,639,823,467,111
  5. Step 5: Solve for x
    x = 2,035,639,823,467,111/74,861,700.20
  6. Step 6: Final answer
    x = 27,192,006.30

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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.