Home / 199,626,643.20-299,439,964.80-170,401,324.80

Finding the Fourth Proportional to 199,626,643.20, 299,439,964.80 and 170,401,324.80

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Solution

The fourth proportional to 199,626,643.20, 299,439,964.80 and 170,401,324.80 is: 255,601,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,626,643.20 : 299,439,964.80 = 170,401,324.80 : x
  2. Step 2: Convert to fraction form
    199,626,643.20/299,439,964.80 = 170,401,324.80/x
  3. Step 3: Cross multiply
    199,626,643.20x = 299,439,964.80 × 170,401,324.80
  4. Step 4: Simplify right side
    199,626,643.20x = 51,024,966,699,985,376
  5. Step 5: Solve for x
    x = 51,024,966,699,985,376/199,626,643.20
  6. Step 6: Final answer
    x = 255,601,987.20

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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.