Home / 213,783,213.60-320,674,820.40-106,287,789.60

Finding the Fourth Proportional to 213,783,213.60, 320,674,820.40 and 106,287,789.60

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Solution

The fourth proportional to 213,783,213.60, 320,674,820.40 and 106,287,789.60 is: 159,431,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,783,213.60 : 320,674,820.40 = 106,287,789.60 : x
  2. Step 2: Convert to fraction form
    213,783,213.60/320,674,820.40 = 106,287,789.60/x
  3. Step 3: Cross multiply
    213,783,213.60x = 320,674,820.40 × 106,287,789.60
  4. Step 4: Simplify right side
    213,783,213.60x = 34,083,817,840,692,984
  5. Step 5: Solve for x
    x = 34,083,817,840,692,984/213,783,213.60
  6. Step 6: Final answer
    x = 159,431,684.40

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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.