Home / 65,606,821.52-90,537,189.20-37,728,215.60

Finding the Fourth Proportional to 65,606,821.52, 90,537,189.20 and 37,728,215.60

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Solution

The fourth proportional to 65,606,821.52, 90,537,189.20 and 37,728,215.60 is: 52,064,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,606,821.52 : 90,537,189.20 = 37,728,215.60 : x
  2. Step 2: Convert to fraction form
    65,606,821.52/90,537,189.20 = 37,728,215.60/x
  3. Step 3: Cross multiply
    65,606,821.52x = 90,537,189.20 × 37,728,215.60
  4. Step 4: Simplify right side
    65,606,821.52x = 3,415,806,593,955,592
  5. Step 5: Solve for x
    x = 3,415,806,593,955,592/65,606,821.52
  6. Step 6: Final answer
    x = 52,064,808.43

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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.