Home / 82,585,965.15-123,870,926.90-25,078,734.54

Finding the Fourth Proportional to 82,585,965.15, 123,870,926.90 and 25,078,734.54

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Solution

The fourth proportional to 82,585,965.15, 123,870,926.90 and 25,078,734.54 is: 37,615,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,585,965.15 : 123,870,926.90 = 25,078,734.54 : x
  2. Step 2: Convert to fraction form
    82,585,965.15/123,870,926.90 = 25,078,734.54/x
  3. Step 3: Cross multiply
    82,585,965.15x = 123,870,926.90 × 25,078,734.54
  4. Step 4: Simplify right side
    82,585,965.15x = 3,106,526,093,011,542
  5. Step 5: Solve for x
    x = 3,106,526,093,011,542/82,585,965.15
  6. Step 6: Final answer
    x = 37,615,666.14

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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.