Home / 548,049,348.10-822,074,022.15-139,105,498.60

Finding the Fourth Proportional to 548,049,348.10, 822,074,022.15 and 139,105,498.60

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Solution

The fourth proportional to 548,049,348.10, 822,074,022.15 and 139,105,498.60 is: 208,658,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,049,348.10 : 822,074,022.15 = 139,105,498.60 : x
  2. Step 2: Convert to fraction form
    548,049,348.10/822,074,022.15 = 139,105,498.60/x
  3. Step 3: Cross multiply
    548,049,348.10x = 822,074,022.15 × 139,105,498.60
  4. Step 4: Simplify right side
    548,049,348.10x = 114,355,016,737,283,184
  5. Step 5: Solve for x
    x = 114,355,016,737,283,184/548,049,348.10
  6. Step 6: Final answer
    x = 208,658,247.90

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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.