Home / 72,414,200.90-108,621,301.35-64,478,015.30

Finding the Fourth Proportional to 72,414,200.90, 108,621,301.35 and 64,478,015.30

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Solution

The fourth proportional to 72,414,200.90, 108,621,301.35 and 64,478,015.30 is: 96,717,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,414,200.90 : 108,621,301.35 = 64,478,015.30 : x
  2. Step 2: Convert to fraction form
    72,414,200.90/108,621,301.35 = 64,478,015.30/x
  3. Step 3: Cross multiply
    72,414,200.90x = 108,621,301.35 × 64,478,015.30
  4. Step 4: Simplify right side
    72,414,200.90x = 7,003,685,930,351,210
  5. Step 5: Solve for x
    x = 7,003,685,930,351,210/72,414,200.90
  6. Step 6: Final answer
    x = 96,717,022.95

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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.