Home / 548,049,098.10-822,073,647.15-139,105,248.60

Finding the Fourth Proportional to 548,049,098.10, 822,073,647.15 and 139,105,248.60

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Solution

The fourth proportional to 548,049,098.10, 822,073,647.15 and 139,105,248.60 is: 208,657,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,049,098.10 : 822,073,647.15 = 139,105,248.60 : x
  2. Step 2: Convert to fraction form
    548,049,098.10/822,073,647.15 = 139,105,248.60/x
  3. Step 3: Cross multiply
    548,049,098.10x = 822,073,647.15 × 139,105,248.60
  4. Step 4: Simplify right side
    548,049,098.10x = 114,354,759,054,309,424
  5. Step 5: Solve for x
    x = 114,354,759,054,309,424/548,049,098.10
  6. Step 6: Final answer
    x = 208,657,872.90

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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.