Home / 120,399,681.33-166,153,748.99-68,199,555.33

Finding the Fourth Proportional to 120,399,681.33, 166,153,748.99 and 68,199,555.33

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Solution

The fourth proportional to 120,399,681.33, 166,153,748.99 and 68,199,555.33 is: 94,116,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,399,681.33 : 166,153,748.99 = 68,199,555.33 : x
  2. Step 2: Convert to fraction form
    120,399,681.33/166,153,748.99 = 68,199,555.33/x
  3. Step 3: Cross multiply
    120,399,681.33x = 166,153,748.99 × 68,199,555.33
  4. Step 4: Simplify right side
    120,399,681.33x = 11,331,611,797,189,440
  5. Step 5: Solve for x
    x = 11,331,611,797,189,440/120,399,681.33
  6. Step 6: Final answer
    x = 94,116,626.16

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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.