Home / 548,049,172.10-822,073,758.15-139,105,322.60

Finding the Fourth Proportional to 548,049,172.10, 822,073,758.15 and 139,105,322.60

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Solution

The fourth proportional to 548,049,172.10, 822,073,758.15 and 139,105,322.60 is: 208,657,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,049,172.10 : 822,073,758.15 = 139,105,322.60 : x
  2. Step 2: Convert to fraction form
    548,049,172.10/822,073,758.15 = 139,105,322.60/x
  3. Step 3: Cross multiply
    548,049,172.10x = 822,073,758.15 × 139,105,322.60
  4. Step 4: Simplify right side
    548,049,172.10x = 114,354,835,328,450,128
  5. Step 5: Solve for x
    x = 114,354,835,328,450,128/548,049,172.10
  6. Step 6: Final answer
    x = 208,657,983.90

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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.