Home / 99,890,328-149,835,550.32-28,086,744

Finding the Fourth Proportional to 99,890,328, 149,835,550.32 and 28,086,744

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Solution

The fourth proportional to 99,890,328, 149,835,550.32 and 28,086,744 is: 42,130,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,890,328 : 149,835,550.32 = 28,086,744 : x
  2. Step 2: Convert to fraction form
    99,890,328/149,835,550.32 = 28,086,744/x
  3. Step 3: Cross multiply
    99,890,328x = 149,835,550.32 × 28,086,744
  4. Step 4: Simplify right side
    99,890,328x = 4,208,392,743,936,958
  5. Step 5: Solve for x
    x = 4,208,392,743,936,958/99,890,328
  6. Step 6: Final answer
    x = 42,130,132.40

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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.