Home / 71,015,111.14-97,999,885.65-39,653,644.54

Finding the Fourth Proportional to 71,015,111.14, 97,999,885.65 and 39,653,644.54

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Solution

The fourth proportional to 71,015,111.14, 97,999,885.65 and 39,653,644.54 is: 54,721,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,015,111.14 : 97,999,885.65 = 39,653,644.54 : x
  2. Step 2: Convert to fraction form
    71,015,111.14/97,999,885.65 = 39,653,644.54/x
  3. Step 3: Cross multiply
    71,015,111.14x = 97,999,885.65 × 39,653,644.54
  4. Step 4: Simplify right side
    71,015,111.14x = 3,886,052,630,525,747
  5. Step 5: Solve for x
    x = 3,886,052,630,525,747/71,015,111.14
  6. Step 6: Final answer
    x = 54,721,489.10

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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.