Home / 65,883,125.88-90,918,722.43-36,516,352.32

Finding the Fourth Proportional to 65,883,125.88, 90,918,722.43 and 36,516,352.32

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Solution

The fourth proportional to 65,883,125.88, 90,918,722.43 and 36,516,352.32 is: 50,392,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,883,125.88 : 90,918,722.43 = 36,516,352.32 : x
  2. Step 2: Convert to fraction form
    65,883,125.88/90,918,722.43 = 36,516,352.32/x
  3. Step 3: Cross multiply
    65,883,125.88x = 90,918,722.43 × 36,516,352.32
  4. Step 4: Simplify right side
    65,883,125.88x = 3,320,020,100,738,167
  5. Step 5: Solve for x
    x = 3,320,020,100,738,167/65,883,125.88
  6. Step 6: Final answer
    x = 50,392,571.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.