Home / 73,842,308.40-110,863,189.80-43,168,321.20

Finding the Fourth Proportional to 73,842,308.40, 110,863,189.80 and 43,168,321.20

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Solution

The fourth proportional to 73,842,308.40, 110,863,189.80 and 43,168,321.20 is: 64,810,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,842,308.40 : 110,863,189.80 = 43,168,321.20 : x
  2. Step 2: Convert to fraction form
    73,842,308.40/110,863,189.80 = 43,168,321.20/x
  3. Step 3: Cross multiply
    73,842,308.40x = 110,863,189.80 × 43,168,321.20
  4. Step 4: Simplify right side
    73,842,308.40x = 4,785,777,786,542,964
  5. Step 5: Solve for x
    x = 4,785,777,786,542,964/73,842,308.40
  6. Step 6: Final answer
    x = 64,810,782.47

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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.