Home / 262,813,729.06-394,276,099.65-99,048,019.78

Finding the Fourth Proportional to 262,813,729.06, 394,276,099.65 and 99,048,019.78

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Solution

The fourth proportional to 262,813,729.06, 394,276,099.65 and 99,048,019.78 is: 148,592,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,813,729.06 : 394,276,099.65 = 99,048,019.78 : x
  2. Step 2: Convert to fraction form
    262,813,729.06/394,276,099.65 = 99,048,019.78/x
  3. Step 3: Cross multiply
    262,813,729.06x = 394,276,099.65 × 99,048,019.78
  4. Step 4: Simplify right side
    262,813,729.06x = 39,052,266,916,914,448
  5. Step 5: Solve for x
    x = 39,052,266,916,914,448/262,813,729.06
  6. Step 6: Final answer
    x = 148,592,948.54

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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.