Home / 65,017,749.20-89,728,525.08-36,044,373.20

Finding the Fourth Proportional to 65,017,749.20, 89,728,525.08 and 36,044,373.20

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Solution

The fourth proportional to 65,017,749.20, 89,728,525.08 and 36,044,373.20 is: 49,743,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,017,749.20 : 89,728,525.08 = 36,044,373.20 : x
  2. Step 2: Convert to fraction form
    65,017,749.20/89,728,525.08 = 36,044,373.20/x
  3. Step 3: Cross multiply
    65,017,749.20x = 89,728,525.08 × 36,044,373.20
  4. Step 4: Simplify right side
    65,017,749.20x = 3,234,208,444,669,080
  5. Step 5: Solve for x
    x = 3,234,208,444,669,080/65,017,749.20
  6. Step 6: Final answer
    x = 49,743,469.81

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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.