Home / 262,407,019.47-362,119,533.94-143,329,687.71

Finding the Fourth Proportional to 262,407,019.47, 362,119,533.94 and 143,329,687.71

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Solution

The fourth proportional to 262,407,019.47, 362,119,533.94 and 143,329,687.71 is: 197,793,793.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,407,019.47 : 362,119,533.94 = 143,329,687.71 : x
  2. Step 2: Convert to fraction form
    262,407,019.47/362,119,533.94 = 143,329,687.71/x
  3. Step 3: Cross multiply
    262,407,019.47x = 362,119,533.94 × 143,329,687.71
  4. Step 4: Simplify right side
    262,407,019.47x = 51,902,479,713,310,952
  5. Step 5: Solve for x
    x = 51,902,479,713,310,952/262,407,019.47
  6. Step 6: Final answer
    x = 197,793,793.09

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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.