Home / 99,669,935.80-149,504,903.70-75,483,465.40

Finding the Fourth Proportional to 99,669,935.80, 149,504,903.70 and 75,483,465.40

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Solution

The fourth proportional to 99,669,935.80, 149,504,903.70 and 75,483,465.40 is: 113,225,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,669,935.80 : 149,504,903.70 = 75,483,465.40 : x
  2. Step 2: Convert to fraction form
    99,669,935.80/149,504,903.70 = 75,483,465.40/x
  3. Step 3: Cross multiply
    99,669,935.80x = 149,504,903.70 × 75,483,465.40
  4. Step 4: Simplify right side
    99,669,935.80x = 11,285,148,225,569,282
  5. Step 5: Solve for x
    x = 11,285,148,225,569,282/99,669,935.80
  6. Step 6: Final answer
    x = 113,225,198.10

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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.