Home / 130,962,379.80-196,410,050.16-38,824,571.88

Finding the Fourth Proportional to 130,962,379.80, 196,410,050.16 and 38,824,571.88

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Solution

The fourth proportional to 130,962,379.80, 196,410,050.16 and 38,824,571.88 is: 58,226,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,962,379.80 : 196,410,050.16 = 38,824,571.88 : x
  2. Step 2: Convert to fraction form
    130,962,379.80/196,410,050.16 = 38,824,571.88/x
  3. Step 3: Cross multiply
    130,962,379.80x = 196,410,050.16 × 38,824,571.88
  4. Step 4: Simplify right side
    130,962,379.80x = 7,625,536,110,391,326
  5. Step 5: Solve for x
    x = 7,625,536,110,391,326/130,962,379.80
  6. Step 6: Final answer
    x = 58,226,920.75

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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.