Home / 159,803,269.20-239,704,903.80-91,589,864.40

Finding the Fourth Proportional to 159,803,269.20, 239,704,903.80 and 91,589,864.40

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Solution

The fourth proportional to 159,803,269.20, 239,704,903.80 and 91,589,864.40 is: 137,384,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,803,269.20 : 239,704,903.80 = 91,589,864.40 : x
  2. Step 2: Convert to fraction form
    159,803,269.20/239,704,903.80 = 91,589,864.40/x
  3. Step 3: Cross multiply
    159,803,269.20x = 239,704,903.80 × 91,589,864.40
  4. Step 4: Simplify right side
    159,803,269.20x = 21,954,539,635,057,048
  5. Step 5: Solve for x
    x = 21,954,539,635,057,048/159,803,269.20
  6. Step 6: Final answer
    x = 137,384,796.60

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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.