Home / 71,078,087.27-98,091,549.43-39,716,897.51

Finding the Fourth Proportional to 71,078,087.27, 98,091,549.43 and 39,716,897.51

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Solution

The fourth proportional to 71,078,087.27, 98,091,549.43 and 39,716,897.51 is: 54,811,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,078,087.27 : 98,091,549.43 = 39,716,897.51 : x
  2. Step 2: Convert to fraction form
    71,078,087.27/98,091,549.43 = 39,716,897.51/x
  3. Step 3: Cross multiply
    71,078,087.27x = 98,091,549.43 × 39,716,897.51
  4. Step 4: Simplify right side
    71,078,087.27x = 3,895,892,015,308,409
  5. Step 5: Solve for x
    x = 3,895,892,015,308,409/71,078,087.27
  6. Step 6: Final answer
    x = 54,811,435.77

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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.