Home / 72,240,270.01-99,691,066.98-39,199,678.87

Finding the Fourth Proportional to 72,240,270.01, 99,691,066.98 and 39,199,678.87

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Solution

The fourth proportional to 72,240,270.01, 99,691,066.98 and 39,199,678.87 is: 54,095,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,240,270.01 : 99,691,066.98 = 39,199,678.87 : x
  2. Step 2: Convert to fraction form
    72,240,270.01/99,691,066.98 = 39,199,678.87/x
  3. Step 3: Cross multiply
    72,240,270.01x = 99,691,066.98 × 39,199,678.87
  4. Step 4: Simplify right side
    72,240,270.01x = 3,907,857,811,823,660.50
  5. Step 5: Solve for x
    x = 3,907,857,811,823,660.50/72,240,270.01
  6. Step 6: Final answer
    x = 54,095,282.47

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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.