Home / 65,254,986.60-90,049,820.22-35,886,228.54

Finding the Fourth Proportional to 65,254,986.60, 90,049,820.22 and 35,886,228.54

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Solution

The fourth proportional to 65,254,986.60, 90,049,820.22 and 35,886,228.54 is: 49,521,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,254,986.60 : 90,049,820.22 = 35,886,228.54 : x
  2. Step 2: Convert to fraction form
    65,254,986.60/90,049,820.22 = 35,886,228.54/x
  3. Step 3: Cross multiply
    65,254,986.60x = 90,049,820.22 × 35,886,228.54
  4. Step 4: Simplify right side
    65,254,986.60x = 3,231,548,428,400,833
  5. Step 5: Solve for x
    x = 3,231,548,428,400,833/65,254,986.60
  6. Step 6: Final answer
    x = 49,521,861.80

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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.