Home / 113,420,632.80-170,130,949.20-107,448,664.80

Finding the Fourth Proportional to 113,420,632.80, 170,130,949.20 and 107,448,664.80

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Solution

The fourth proportional to 113,420,632.80, 170,130,949.20 and 107,448,664.80 is: 161,172,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,420,632.80 : 170,130,949.20 = 107,448,664.80 : x
  2. Step 2: Convert to fraction form
    113,420,632.80/170,130,949.20 = 107,448,664.80/x
  3. Step 3: Cross multiply
    113,420,632.80x = 170,130,949.20 × 107,448,664.80
  4. Step 4: Simplify right side
    113,420,632.80x = 18,280,343,332,696,628
  5. Step 5: Solve for x
    x = 18,280,343,332,696,628/113,420,632.80
  6. Step 6: Final answer
    x = 161,172,997.20

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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.