Home / 262,407,019.97-362,119,534.63-143,329,688.21

Finding the Fourth Proportional to 262,407,019.97, 362,119,534.63 and 143,329,688.21

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Solution

The fourth proportional to 262,407,019.97, 362,119,534.63 and 143,329,688.21 is: 197,793,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,407,019.97 : 362,119,534.63 = 143,329,688.21 : x
  2. Step 2: Convert to fraction form
    262,407,019.97/362,119,534.63 = 143,329,688.21/x
  3. Step 3: Cross multiply
    262,407,019.97x = 362,119,534.63 × 143,329,688.21
  4. Step 4: Simplify right side
    262,407,019.97x = 51,902,479,993,268,200
  5. Step 5: Solve for x
    x = 51,902,479,993,268,200/262,407,019.97
  6. Step 6: Final answer
    x = 197,793,793.78

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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.