Home / 170,642,812.80-255,964,219.20-168,942,201.60

Finding the Fourth Proportional to 170,642,812.80, 255,964,219.20 and 168,942,201.60

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Solution

The fourth proportional to 170,642,812.80, 255,964,219.20 and 168,942,201.60 is: 253,413,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,642,812.80 : 255,964,219.20 = 168,942,201.60 : x
  2. Step 2: Convert to fraction form
    170,642,812.80/255,964,219.20 = 168,942,201.60/x
  3. Step 3: Cross multiply
    170,642,812.80x = 255,964,219.20 × 168,942,201.60
  4. Step 4: Simplify right side
    170,642,812.80x = 43,243,158,722,472,984
  5. Step 5: Solve for x
    x = 43,243,158,722,472,984/170,642,812.80
  6. Step 6: Final answer
    x = 253,413,302.40

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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.