Home / 199,270,247.20-275,047,636.86-115,665,312.69

Finding the Fourth Proportional to 199,270,247.20, 275,047,636.86 and 115,665,312.69

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Solution

The fourth proportional to 199,270,247.20, 275,047,636.86 and 115,665,312.69 is: 159,649,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,270,247.20 : 275,047,636.86 = 115,665,312.69 : x
  2. Step 2: Convert to fraction form
    199,270,247.20/275,047,636.86 = 115,665,312.69/x
  3. Step 3: Cross multiply
    199,270,247.20x = 275,047,636.86 × 115,665,312.69
  4. Step 4: Simplify right side
    199,270,247.20x = 31,813,470,922,057,472
  5. Step 5: Solve for x
    x = 31,813,470,922,057,472/199,270,247.20
  6. Step 6: Final answer
    x = 159,649,879.34

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