Home / 213,617,468.80-320,426,203.20-132,995,900.80

Finding the Fourth Proportional to 213,617,468.80, 320,426,203.20 and 132,995,900.80

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Solution

The fourth proportional to 213,617,468.80, 320,426,203.20 and 132,995,900.80 is: 199,493,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,617,468.80 : 320,426,203.20 = 132,995,900.80 : x
  2. Step 2: Convert to fraction form
    213,617,468.80/320,426,203.20 = 132,995,900.80/x
  3. Step 3: Cross multiply
    213,617,468.80x = 320,426,203.20 × 132,995,900.80
  4. Step 4: Simplify right side
    213,617,468.80x = 42,615,371,534,507,840
  5. Step 5: Solve for x
    x = 42,615,371,534,507,840/213,617,468.80
  6. Step 6: Final answer
    x = 199,493,851.20

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1.5x scale

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.