Home / 65,616,643.20-98,424,964.80-61,837,507.20

Finding the Fourth Proportional to 65,616,643.20, 98,424,964.80 and 61,837,507.20

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Solution

The fourth proportional to 65,616,643.20, 98,424,964.80 and 61,837,507.20 is: 92,756,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616,643.20 : 98,424,964.80 = 61,837,507.20 : x
  2. Step 2: Convert to fraction form
    65,616,643.20/98,424,964.80 = 61,837,507.20/x
  3. Step 3: Cross multiply
    65,616,643.20x = 98,424,964.80 × 61,837,507.20
  4. Step 4: Simplify right side
    65,616,643.20x = 6,086,354,469,479,747
  5. Step 5: Solve for x
    x = 6,086,354,469,479,747/65,616,643.20
  6. Step 6: Final answer
    x = 92,756,260.80

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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.