Home / 160,339,620.70-240,509,431.05-79,718,052.70

Finding the Fourth Proportional to 160,339,620.70, 240,509,431.05 and 79,718,052.70

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Solution

The fourth proportional to 160,339,620.70, 240,509,431.05 and 79,718,052.70 is: 119,577,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,339,620.70 : 240,509,431.05 = 79,718,052.70 : x
  2. Step 2: Convert to fraction form
    160,339,620.70/240,509,431.05 = 79,718,052.70/x
  3. Step 3: Cross multiply
    160,339,620.70x = 240,509,431.05 × 79,718,052.70
  4. Step 4: Simplify right side
    160,339,620.70x = 19,172,943,499,290,920
  5. Step 5: Solve for x
    x = 19,172,943,499,290,920/160,339,620.70
  6. Step 6: Final answer
    x = 119,577,079.05

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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.