Home / 199,722,372.30-298,920,006.45-144,979,332.30

Finding the Fourth Proportional to 199,722,372.30, 298,920,006.45 and 144,979,332.30

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Solution

The fourth proportional to 199,722,372.30, 298,920,006.45 and 144,979,332.30 is: 216,987,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,722,372.30 : 298,920,006.45 = 144,979,332.30 : x
  2. Step 2: Convert to fraction form
    199,722,372.30/298,920,006.45 = 144,979,332.30/x
  3. Step 3: Cross multiply
    199,722,372.30x = 298,920,006.45 × 144,979,332.30
  4. Step 4: Simplify right side
    199,722,372.30x = 43,337,222,946,232,696
  5. Step 5: Solve for x
    x = 43,337,222,946,232,696/199,722,372.30
  6. Step 6: Final answer
    x = 216,987,323.19

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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.