Home / 125,915,303.49-173,763,471.24-73,002,293.79

Finding the Fourth Proportional to 125,915,303.49, 173,763,471.24 and 73,002,293.79

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Solution

The fourth proportional to 125,915,303.49, 173,763,471.24 and 73,002,293.79 is: 100,743,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,915,303.49 : 173,763,471.24 = 73,002,293.79 : x
  2. Step 2: Convert to fraction form
    125,915,303.49/173,763,471.24 = 73,002,293.79/x
  3. Step 3: Cross multiply
    125,915,303.49x = 173,763,471.24 × 73,002,293.79
  4. Step 4: Simplify right side
    125,915,303.49x = 12,685,131,977,432,698
  5. Step 5: Solve for x
    x = 12,685,131,977,432,698/125,915,303.49
  6. Step 6: Final answer
    x = 100,743,369.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.