Home / 72,004,969.05-99,366,100.08-38,964,494.76

Finding the Fourth Proportional to 72,004,969.05, 99,366,100.08 and 38,964,494.76

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Solution

The fourth proportional to 72,004,969.05, 99,366,100.08 and 38,964,494.76 is: 53,770,593.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,004,969.05 : 99,366,100.08 = 38,964,494.76 : x
  2. Step 2: Convert to fraction form
    72,004,969.05/99,366,100.08 = 38,964,494.76/x
  3. Step 3: Cross multiply
    72,004,969.05x = 99,366,100.08 × 38,964,494.76
  4. Step 4: Simplify right side
    72,004,969.05x = 3,871,749,885,928,890.50
  5. Step 5: Solve for x
    x = 3,871,749,885,928,890.50/72,004,969.05
  6. Step 6: Final answer
    x = 53,770,593.01

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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.