Home / 105,371,701.23-158,056,665.19-82,361,989.92

Finding the Fourth Proportional to 105,371,701.23, 158,056,665.19 and 82,361,989.92

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Solution

The fourth proportional to 105,371,701.23, 158,056,665.19 and 82,361,989.92 is: 123,542,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,371,701.23 : 158,056,665.19 = 82,361,989.92 : x
  2. Step 2: Convert to fraction form
    105,371,701.23/158,056,665.19 = 82,361,989.92/x
  3. Step 3: Cross multiply
    105,371,701.23x = 158,056,665.19 × 82,361,989.92
  4. Step 4: Simplify right side
    105,371,701.23x = 13,017,861,465,554,402
  5. Step 5: Solve for x
    x = 13,017,861,465,554,402/105,371,701.23
  6. Step 6: Final answer
    x = 123,542,291.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.