Home / 262,813,728.56-394,276,098.90-99,048,019.28

Finding the Fourth Proportional to 262,813,728.56, 394,276,098.90 and 99,048,019.28

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Solution

The fourth proportional to 262,813,728.56, 394,276,098.90 and 99,048,019.28 is: 148,592,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,813,728.56 : 394,276,098.90 = 99,048,019.28 : x
  2. Step 2: Convert to fraction form
    262,813,728.56/394,276,098.90 = 99,048,019.28/x
  3. Step 3: Cross multiply
    262,813,728.56x = 394,276,098.90 × 99,048,019.28
  4. Step 4: Simplify right side
    262,813,728.56x = 39,052,266,645,490,384
  5. Step 5: Solve for x
    x = 39,052,266,645,490,384/262,813,728.56
  6. Step 6: Final answer
    x = 148,592,947.79

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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.