Home / 81,474,946.20-112,438,382.28-46,674,362.52

Finding the Fourth Proportional to 81,474,946.20, 112,438,382.28 and 46,674,362.52

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Solution

The fourth proportional to 81,474,946.20, 112,438,382.28 and 46,674,362.52 is: 64,412,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,474,946.20 : 112,438,382.28 = 46,674,362.52 : x
  2. Step 2: Convert to fraction form
    81,474,946.20/112,438,382.28 = 46,674,362.52/x
  3. Step 3: Cross multiply
    81,474,946.20x = 112,438,382.28 × 46,674,362.52
  4. Step 4: Simplify right side
    81,474,946.20x = 5,247,989,815,699,065
  5. Step 5: Solve for x
    x = 5,247,989,815,699,065/81,474,946.20
  6. Step 6: Final answer
    x = 64,412,313.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.