Home / 65,412,163.64-90,264,718.55-36,041,852.61

Finding the Fourth Proportional to 65,412,163.64, 90,264,718.55 and 36,041,852.61

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Solution

The fourth proportional to 65,412,163.64, 90,264,718.55 and 36,041,852.61 is: 49,735,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,412,163.64 : 90,264,718.55 = 36,041,852.61 : x
  2. Step 2: Convert to fraction form
    65,412,163.64/90,264,718.55 = 36,041,852.61/x
  3. Step 3: Cross multiply
    65,412,163.64x = 90,264,718.55 × 36,041,852.61
  4. Step 4: Simplify right side
    65,412,163.64x = 3,253,307,681,394,275.50
  5. Step 5: Solve for x
    x = 3,253,307,681,394,275.50/65,412,163.64
  6. Step 6: Final answer
    x = 49,735,515.54

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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.