Home / 548,049,087.60-822,073,631.40-139,105,238.10

Finding the Fourth Proportional to 548,049,087.60, 822,073,631.40 and 139,105,238.10

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Solution

The fourth proportional to 548,049,087.60, 822,073,631.40 and 139,105,238.10 is: 208,657,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,049,087.60 : 822,073,631.40 = 139,105,238.10 : x
  2. Step 2: Convert to fraction form
    548,049,087.60/822,073,631.40 = 139,105,238.10/x
  3. Step 3: Cross multiply
    548,049,087.60x = 822,073,631.40 × 139,105,238.10
  4. Step 4: Simplify right side
    548,049,087.60x = 114,354,748,231,628,624
  5. Step 5: Solve for x
    x = 114,354,748,231,628,624/548,049,087.60
  6. Step 6: Final answer
    x = 208,657,857.15

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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.