Home / 108,867,004.80-163,300,507.20-74,378,889.60

Finding the Fourth Proportional to 108,867,004.80, 163,300,507.20 and 74,378,889.60

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Solution

The fourth proportional to 108,867,004.80, 163,300,507.20 and 74,378,889.60 is: 111,568,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,004.80 : 163,300,507.20 = 74,378,889.60 : x
  2. Step 2: Convert to fraction form
    108,867,004.80/163,300,507.20 = 74,378,889.60/x
  3. Step 3: Cross multiply
    108,867,004.80x = 163,300,507.20 × 74,378,889.60
  4. Step 4: Simplify right side
    108,867,004.80x = 12,146,110,396,652,804
  5. Step 5: Solve for x
    x = 12,146,110,396,652,804/108,867,004.80
  6. Step 6: Final answer
    x = 111,568,334.40

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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.