Home / 105,973,725.87-158,798,323.13-71,301,688.83

Finding the Fourth Proportional to 105,973,725.87, 158,798,323.13 and 71,301,688.83

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Solution

The fourth proportional to 105,973,725.87, 158,798,323.13 and 71,301,688.83 is: 106,843,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,973,725.87 : 158,798,323.13 = 71,301,688.83 : x
  2. Step 2: Convert to fraction form
    105,973,725.87/158,798,323.13 = 71,301,688.83/x
  3. Step 3: Cross multiply
    105,973,725.87x = 158,798,323.13 × 71,301,688.83
  4. Step 4: Simplify right side
    105,973,725.87x = 11,322,588,622,184,542
  5. Step 5: Solve for x
    x = 11,322,588,622,184,542/105,973,725.87
  6. Step 6: Final answer
    x = 106,843,356.97

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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.