Home / 81,422,421.60-122,133,632.40-27,569,733.60

Finding the Fourth Proportional to 81,422,421.60, 122,133,632.40 and 27,569,733.60

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Solution

The fourth proportional to 81,422,421.60, 122,133,632.40 and 27,569,733.60 is: 41,354,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,422,421.60 : 122,133,632.40 = 27,569,733.60 : x
  2. Step 2: Convert to fraction form
    81,422,421.60/122,133,632.40 = 27,569,733.60/x
  3. Step 3: Cross multiply
    81,422,421.60x = 122,133,632.40 × 27,569,733.60
  4. Step 4: Simplify right side
    81,422,421.60x = 3,367,191,708,868,329
  5. Step 5: Solve for x
    x = 3,367,191,708,868,329/81,422,421.60
  6. Step 6: Final answer
    x = 41,354,600.40

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1.5x scale

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.