Home / 72,776,011.14-100,432,293.39-39,737,570.22

Finding the Fourth Proportional to 72,776,011.14, 100,432,293.39 and 39,737,570.22

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Solution

The fourth proportional to 72,776,011.14, 100,432,293.39 and 39,737,570.22 is: 54,838,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,776,011.14 : 100,432,293.39 = 39,737,570.22 : x
  2. Step 2: Convert to fraction form
    72,776,011.14/100,432,293.39 = 39,737,570.22/x
  3. Step 3: Cross multiply
    72,776,011.14x = 100,432,293.39 × 39,737,570.22
  4. Step 4: Simplify right side
    72,776,011.14x = 3,990,935,310,940,766.50
  5. Step 5: Solve for x
    x = 3,990,935,310,940,766.50/72,776,011.14
  6. Step 6: Final answer
    x = 54,838,610.26

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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.