Home / 159,437,404.80-239,156,107.20-120,890,217.60

Finding the Fourth Proportional to 159,437,404.80, 239,156,107.20 and 120,890,217.60

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Solution

The fourth proportional to 159,437,404.80, 239,156,107.20 and 120,890,217.60 is: 181,335,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,437,404.80 : 239,156,107.20 = 120,890,217.60 : x
  2. Step 2: Convert to fraction form
    159,437,404.80/239,156,107.20 = 120,890,217.60/x
  3. Step 3: Cross multiply
    159,437,404.80x = 239,156,107.20 × 120,890,217.60
  4. Step 4: Simplify right side
    159,437,404.80x = 28,911,633,839,776,924
  5. Step 5: Solve for x
    x = 28,911,633,839,776,924/159,437,404.80
  6. Step 6: Final answer
    x = 181,335,326.40

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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.