Home / 122,127,427.20-183,489,739.20-91,894,339.20

Finding the Fourth Proportional to 122,127,427.20, 183,489,739.20 and 91,894,339.20

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Solution

The fourth proportional to 122,127,427.20, 183,489,739.20 and 91,894,339.20 is: 138,066,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,127,427.20 : 183,489,739.20 = 91,894,339.20 : x
  2. Step 2: Convert to fraction form
    122,127,427.20/183,489,739.20 = 91,894,339.20/x
  3. Step 3: Cross multiply
    122,127,427.20x = 183,489,739.20 × 91,894,339.20
  4. Step 4: Simplify right side
    122,127,427.20x = 16,861,668,333,764,336
  5. Step 5: Solve for x
    x = 16,861,668,333,764,336/122,127,427.20
  6. Step 6: Final answer
    x = 138,066,188.08

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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.