Home / 90,972,532.58-136,410,249.94-47,209,227.76

Finding the Fourth Proportional to 90,972,532.58, 136,410,249.94 and 47,209,227.76

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Solution

The fourth proportional to 90,972,532.58, 136,410,249.94 and 47,209,227.76 is: 70,788,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,972,532.58 : 136,410,249.94 = 47,209,227.76 : x
  2. Step 2: Convert to fraction form
    90,972,532.58/136,410,249.94 = 47,209,227.76/x
  3. Step 3: Cross multiply
    90,972,532.58x = 136,410,249.94 × 47,209,227.76
  4. Step 4: Simplify right side
    90,972,532.58x = 6,439,822,558,525,281
  5. Step 5: Solve for x
    x = 6,439,822,558,525,281/90,972,532.58
  6. Step 6: Final answer
    x = 70,788,647.69

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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.