Home / 65,416,122.05-90,274,853.85-36,048,505.60

Finding the Fourth Proportional to 65,416,122.05, 90,274,853.85 and 36,048,505.60

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Solution

The fourth proportional to 65,416,122.05, 90,274,853.85 and 36,048,505.60 is: 49,747,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,416,122.05 : 90,274,853.85 = 36,048,505.60 : x
  2. Step 2: Convert to fraction form
    65,416,122.05/90,274,853.85 = 36,048,505.60/x
  3. Step 3: Cross multiply
    65,416,122.05x = 90,274,853.85 × 36,048,505.60
  4. Step 4: Simplify right side
    65,416,122.05x = 3,254,273,574,099,532
  5. Step 5: Solve for x
    x = 3,254,273,574,099,532/65,416,122.05
  6. Step 6: Final answer
    x = 49,747,271.35

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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.