Home / 170,830,410.80-256,245,616.20-142,108,977.20

Finding the Fourth Proportional to 170,830,410.80, 256,245,616.20 and 142,108,977.20

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Solution

The fourth proportional to 170,830,410.80, 256,245,616.20 and 142,108,977.20 is: 213,163,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,830,410.80 : 256,245,616.20 = 142,108,977.20 : x
  2. Step 2: Convert to fraction form
    170,830,410.80/256,245,616.20 = 142,108,977.20/x
  3. Step 3: Cross multiply
    170,830,410.80x = 256,245,616.20 × 142,108,977.20
  4. Step 4: Simplify right side
    170,830,410.80x = 36,414,802,430,165,744
  5. Step 5: Solve for x
    x = 36,414,802,430,165,744/170,830,410.80
  6. Step 6: Final answer
    x = 213,163,465.80

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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.