Home / 65,239,492.46-90,028,078.31-35,869,077.54

Finding the Fourth Proportional to 65,239,492.46, 90,028,078.31 and 35,869,077.54

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Solution

The fourth proportional to 65,239,492.46, 90,028,078.31 and 35,869,077.54 is: 49,497,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,239,492.46 : 90,028,078.31 = 35,869,077.54 : x
  2. Step 2: Convert to fraction form
    65,239,492.46/90,028,078.31 = 35,869,077.54/x
  3. Step 3: Cross multiply
    65,239,492.46x = 90,028,078.31 × 35,869,077.54
  4. Step 4: Simplify right side
    65,239,492.46x = 3,229,224,121,768,255
  5. Step 5: Solve for x
    x = 3,229,224,121,768,255/65,239,492.46
  6. Step 6: Final answer
    x = 49,497,995.77

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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.