Home / 215,809,780.80-323,714,671.20-151,186,555.20

Finding the Fourth Proportional to 215,809,780.80, 323,714,671.20 and 151,186,555.20

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Solution

The fourth proportional to 215,809,780.80, 323,714,671.20 and 151,186,555.20 is: 226,779,832.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,809,780.80 : 323,714,671.20 = 151,186,555.20 : x
  2. Step 2: Convert to fraction form
    215,809,780.80/323,714,671.20 = 151,186,555.20/x
  3. Step 3: Cross multiply
    215,809,780.80x = 323,714,671.20 × 151,186,555.20
  4. Step 4: Simplify right side
    215,809,780.80x = 48,941,306,006,428,648
  5. Step 5: Solve for x
    x = 48,941,306,006,428,648/215,809,780.80
  6. Step 6: Final answer
    x = 226,779,832.80

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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.