Home / 155,142,964.20-232,714,446.30-68,789,706.60

Finding the Fourth Proportional to 155,142,964.20, 232,714,446.30 and 68,789,706.60

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Solution

The fourth proportional to 155,142,964.20, 232,714,446.30 and 68,789,706.60 is: 103,184,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,142,964.20 : 232,714,446.30 = 68,789,706.60 : x
  2. Step 2: Convert to fraction form
    155,142,964.20/232,714,446.30 = 68,789,706.60/x
  3. Step 3: Cross multiply
    155,142,964.20x = 232,714,446.30 × 68,789,706.60
  4. Step 4: Simplify right side
    155,142,964.20x = 16,008,358,482,558,456
  5. Step 5: Solve for x
    x = 16,008,358,482,558,456/155,142,964.20
  6. Step 6: Final answer
    x = 103,184,559.90

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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.