Home / 215,809,724.80-323,714,587.20-151,186,499.20

Finding the Fourth Proportional to 215,809,724.80, 323,714,587.20 and 151,186,499.20

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Solution

The fourth proportional to 215,809,724.80, 323,714,587.20 and 151,186,499.20 is: 226,779,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,809,724.80 : 323,714,587.20 = 151,186,499.20 : x
  2. Step 2: Convert to fraction form
    215,809,724.80/323,714,587.20 = 151,186,499.20/x
  3. Step 3: Cross multiply
    215,809,724.80x = 323,714,587.20 × 151,186,499.20
  4. Step 4: Simplify right side
    215,809,724.80x = 48,941,275,178,741,128
  5. Step 5: Solve for x
    x = 48,941,275,178,741,128/215,809,724.80
  6. Step 6: Final answer
    x = 226,779,748.80

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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.