Home / 170,830,418.80-256,245,628.20-142,108,985.20

Finding the Fourth Proportional to 170,830,418.80, 256,245,628.20 and 142,108,985.20

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Solution

The fourth proportional to 170,830,418.80, 256,245,628.20 and 142,108,985.20 is: 213,163,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,830,418.80 : 256,245,628.20 = 142,108,985.20 : x
  2. Step 2: Convert to fraction form
    170,830,418.80/256,245,628.20 = 142,108,985.20/x
  3. Step 3: Cross multiply
    170,830,418.80x = 256,245,628.20 × 142,108,985.20
  4. Step 4: Simplify right side
    170,830,418.80x = 36,414,806,185,438,496
  5. Step 5: Solve for x
    x = 36,414,806,185,438,496/170,830,418.80
  6. Step 6: Final answer
    x = 213,163,477.80

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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.