Home / 165,065,440.41-227,790,804.69-90,733,618.80

Finding the Fourth Proportional to 165,065,440.41, 227,790,804.69 and 90,733,618.80

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Solution

The fourth proportional to 165,065,440.41, 227,790,804.69 and 90,733,618.80 is: 125,212,667.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,065,440.41 : 227,790,804.69 = 90,733,618.80 : x
  2. Step 2: Convert to fraction form
    165,065,440.41/227,790,804.69 = 90,733,618.80/x
  3. Step 3: Cross multiply
    165,065,440.41x = 227,790,804.69 × 90,733,618.80
  4. Step 4: Simplify right side
    165,065,440.41x = 20,668,284,038,887,712
  5. Step 5: Solve for x
    x = 20,668,284,038,887,712/165,065,440.41
  6. Step 6: Final answer
    x = 125,212,667.09

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1.5x scale

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.