Home / 72,004,066.29-99,365,873.04-38,964,311.55

Finding the Fourth Proportional to 72,004,066.29, 99,365,873.04 and 38,964,311.55

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Solution

The fourth proportional to 72,004,066.29, 99,365,873.04 and 38,964,311.55 is: 53,770,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,004,066.29 : 99,365,873.04 = 38,964,311.55 : x
  2. Step 2: Convert to fraction form
    72,004,066.29/99,365,873.04 = 38,964,311.55/x
  3. Step 3: Cross multiply
    72,004,066.29x = 99,365,873.04 × 38,964,311.55
  4. Step 4: Simplify right side
    72,004,066.29x = 3,871,722,834,568,305.50
  5. Step 5: Solve for x
    x = 3,871,722,834,568,305.50/72,004,066.29
  6. Step 6: Final answer
    x = 53,770,891.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.