Home / 100,605,498.89-150,908,059.97-31,523,590.98

Finding the Fourth Proportional to 100,605,498.89, 150,908,059.97 and 31,523,590.98

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Solution

The fourth proportional to 100,605,498.89, 150,908,059.97 and 31,523,590.98 is: 47,285,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,605,498.89 : 150,908,059.97 = 31,523,590.98 : x
  2. Step 2: Convert to fraction form
    100,605,498.89/150,908,059.97 = 31,523,590.98/x
  3. Step 3: Cross multiply
    100,605,498.89x = 150,908,059.97 × 31,523,590.98
  4. Step 4: Simplify right side
    100,605,498.89x = 4,757,163,958,079,591
  5. Step 5: Solve for x
    x = 4,757,163,958,079,591/100,605,498.89
  6. Step 6: Final answer
    x = 47,285,327.45

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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.