Home / 282,102,415.20-423,153,622.80-261,695,080.80

Finding the Fourth Proportional to 282,102,415.20, 423,153,622.80 and 261,695,080.80

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Solution

The fourth proportional to 282,102,415.20, 423,153,622.80 and 261,695,080.80 is: 392,542,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,102,415.20 : 423,153,622.80 = 261,695,080.80 : x
  2. Step 2: Convert to fraction form
    282,102,415.20/423,153,622.80 = 261,695,080.80/x
  3. Step 3: Cross multiply
    282,102,415.20x = 423,153,622.80 × 261,695,080.80
  4. Step 4: Simplify right side
    282,102,415.20x = 110,737,221,509,458,736
  5. Step 5: Solve for x
    x = 110,737,221,509,458,736/282,102,415.20
  6. Step 6: Final answer
    x = 392,542,621.20

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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.