Home / 82,798,586.10-124,197,879.15-82,231,715.70

Finding the Fourth Proportional to 82,798,586.10, 124,197,879.15 and 82,231,715.70

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Solution

The fourth proportional to 82,798,586.10, 124,197,879.15 and 82,231,715.70 is: 123,347,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,798,586.10 : 124,197,879.15 = 82,231,715.70 : x
  2. Step 2: Convert to fraction form
    82,798,586.10/124,197,879.15 = 82,231,715.70/x
  3. Step 3: Cross multiply
    82,798,586.10x = 124,197,879.15 × 82,231,715.70
  4. Step 4: Simplify right side
    82,798,586.10x = 10,213,004,688,805,758
  5. Step 5: Solve for x
    x = 10,213,004,688,805,758/82,798,586.10
  6. Step 6: Final answer
    x = 123,347,573.55

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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.