Home / 215,680,389.20-323,520,583.80-164,662,053.20

Finding the Fourth Proportional to 215,680,389.20, 323,520,583.80 and 164,662,053.20

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Solution

The fourth proportional to 215,680,389.20, 323,520,583.80 and 164,662,053.20 is: 246,993,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,680,389.20 : 323,520,583.80 = 164,662,053.20 : x
  2. Step 2: Convert to fraction form
    215,680,389.20/323,520,583.80 = 164,662,053.20/x
  3. Step 3: Cross multiply
    215,680,389.20x = 323,520,583.80 × 164,662,053.20
  4. Step 4: Simplify right side
    215,680,389.20x = 53,271,563,580,970,656
  5. Step 5: Solve for x
    x = 53,271,563,580,970,656/215,680,389.20
  6. Step 6: Final answer
    x = 246,993,079.80

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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.