Home / 90,110,866.88-134,796,112.28-71,950,532.82

Finding the Fourth Proportional to 90,110,866.88, 134,796,112.28 and 71,950,532.82

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Solution

The fourth proportional to 90,110,866.88, 134,796,112.28 and 71,950,532.82 is: 107,630,216.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,110,866.88 : 134,796,112.28 = 71,950,532.82 : x
  2. Step 2: Convert to fraction form
    90,110,866.88/134,796,112.28 = 71,950,532.82/x
  3. Step 3: Cross multiply
    90,110,866.88x = 134,796,112.28 × 71,950,532.82
  4. Step 4: Simplify right side
    90,110,866.88x = 9,698,652,100,610,544
  5. Step 5: Solve for x
    x = 9,698,652,100,610,544/90,110,866.88
  6. Step 6: Final answer
    x = 107,630,216.38

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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.