Home / 91,808,730.20-137,713,095.30-71,002,815.06

Finding the Fourth Proportional to 91,808,730.20, 137,713,095.30 and 71,002,815.06

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Solution

The fourth proportional to 91,808,730.20, 137,713,095.30 and 71,002,815.06 is: 106,504,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,808,730.20 : 137,713,095.30 = 71,002,815.06 : x
  2. Step 2: Convert to fraction form
    91,808,730.20/137,713,095.30 = 71,002,815.06/x
  3. Step 3: Cross multiply
    91,808,730.20x = 137,713,095.30 × 71,002,815.06
  4. Step 4: Simplify right side
    91,808,730.20x = 9,778,017,436,926,056
  5. Step 5: Solve for x
    x = 9,778,017,436,926,056/91,808,730.20
  6. Step 6: Final answer
    x = 106,504,222.59

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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.