Home / 548,049,078.60-822,073,617.90-139,105,229.10

Finding the Fourth Proportional to 548,049,078.60, 822,073,617.90 and 139,105,229.10

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Solution

The fourth proportional to 548,049,078.60, 822,073,617.90 and 139,105,229.10 is: 208,657,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,049,078.60 : 822,073,617.90 = 139,105,229.10 : x
  2. Step 2: Convert to fraction form
    548,049,078.60/822,073,617.90 = 139,105,229.10/x
  3. Step 3: Cross multiply
    548,049,078.60x = 822,073,617.90 × 139,105,229.10
  4. Step 4: Simplify right side
    548,049,078.60x = 114,354,738,955,045,360
  5. Step 5: Solve for x
    x = 114,354,738,955,045,360/548,049,078.60
  6. Step 6: Final answer
    x = 208,657,843.65

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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.