Home / 160,339,621.20-240,509,431.80-79,718,053.20

Finding the Fourth Proportional to 160,339,621.20, 240,509,431.80 and 79,718,053.20

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Solution

The fourth proportional to 160,339,621.20, 240,509,431.80 and 79,718,053.20 is: 119,577,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,339,621.20 : 240,509,431.80 = 79,718,053.20 : x
  2. Step 2: Convert to fraction form
    160,339,621.20/240,509,431.80 = 79,718,053.20/x
  3. Step 3: Cross multiply
    160,339,621.20x = 240,509,431.80 × 79,718,053.20
  4. Step 4: Simplify right side
    160,339,621.20x = 19,172,943,679,334,172
  5. Step 5: Solve for x
    x = 19,172,943,679,334,172/160,339,621.20
  6. Step 6: Final answer
    x = 119,577,079.80

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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.