Home / 82,586,965.32-123,880,644.72-25,079,668.92

Finding the Fourth Proportional to 82,586,965.32, 123,880,644.72 and 25,079,668.92

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Solution

The fourth proportional to 82,586,965.32, 123,880,644.72 and 25,079,668.92 is: 37,619,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,586,965.32 : 123,880,644.72 = 25,079,668.92 : x
  2. Step 2: Convert to fraction form
    82,586,965.32/123,880,644.72 = 25,079,668.92/x
  3. Step 3: Cross multiply
    82,586,965.32x = 123,880,644.72 × 25,079,668.92
  4. Step 4: Simplify right side
    82,586,965.32x = 3,106,885,555,173,746.50
  5. Step 5: Solve for x
    x = 3,106,885,555,173,746.50/82,586,965.32
  6. Step 6: Final answer
    x = 37,619,563.13

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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.