Home / 90,749,124.90-136,123,687.35-33,247,208.70

Finding the Fourth Proportional to 90,749,124.90, 136,123,687.35 and 33,247,208.70

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Solution

The fourth proportional to 90,749,124.90, 136,123,687.35 and 33,247,208.70 is: 49,870,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,749,124.90 : 136,123,687.35 = 33,247,208.70 : x
  2. Step 2: Convert to fraction form
    90,749,124.90/136,123,687.35 = 33,247,208.70/x
  3. Step 3: Cross multiply
    90,749,124.90x = 136,123,687.35 × 33,247,208.70
  4. Step 4: Simplify right side
    90,749,124.90x = 4,525,732,642,339,000
  5. Step 5: Solve for x
    x = 4,525,732,642,339,000/90,749,124.90
  6. Step 6: Final answer
    x = 49,870,813.05

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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.