Home / 272,573,198.10-408,859,797.15-245,363,418.90

Finding the Fourth Proportional to 272,573,198.10, 408,859,797.15 and 245,363,418.90

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Solution

The fourth proportional to 272,573,198.10, 408,859,797.15 and 245,363,418.90 is: 368,045,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,573,198.10 : 408,859,797.15 = 245,363,418.90 : x
  2. Step 2: Convert to fraction form
    272,573,198.10/408,859,797.15 = 245,363,418.90/x
  3. Step 3: Cross multiply
    272,573,198.10x = 408,859,797.15 × 245,363,418.90
  4. Step 4: Simplify right side
    272,573,198.10x = 100,319,237,679,484,480
  5. Step 5: Solve for x
    x = 100,319,237,679,484,480/272,573,198.10
  6. Step 6: Final answer
    x = 368,045,128.35

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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.