Home / 72,003,881.08-99,365,617.44-38,964,126.64

Finding the Fourth Proportional to 72,003,881.08, 99,365,617.44 and 38,964,126.64

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Solution

The fourth proportional to 72,003,881.08, 99,365,617.44 and 38,964,126.64 is: 53,770,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,003,881.08 : 99,365,617.44 = 38,964,126.64 : x
  2. Step 2: Convert to fraction form
    72,003,881.08/99,365,617.44 = 38,964,126.64/x
  3. Step 3: Cross multiply
    72,003,881.08x = 99,365,617.44 × 38,964,126.64
  4. Step 4: Simplify right side
    72,003,881.08x = 3,871,694,501,593,952.50
  5. Step 5: Solve for x
    x = 3,871,694,501,593,952.50/72,003,881.08
  6. Step 6: Final answer
    x = 53,770,636.30

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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.