Home / 65,288,216.20-97,820,349.90-31,136,024.20

Finding the Fourth Proportional to 65,288,216.20, 97,820,349.90 and 31,136,024.20

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Solution

The fourth proportional to 65,288,216.20, 97,820,349.90 and 31,136,024.20 is: 46,650,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,288,216.20 : 97,820,349.90 = 31,136,024.20 : x
  2. Step 2: Convert to fraction form
    65,288,216.20/97,820,349.90 = 31,136,024.20/x
  3. Step 3: Cross multiply
    65,288,216.20x = 97,820,349.90 × 31,136,024.20
  4. Step 4: Simplify right side
    65,288,216.20x = 3,045,736,781,738,867.50
  5. Step 5: Solve for x
    x = 3,045,736,781,738,867.50/65,288,216.20
  6. Step 6: Final answer
    x = 46,650,635.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.