Home / 163,960,989.30-245,906,054.55-71,844,549.30

Finding the Fourth Proportional to 163,960,989.30, 245,906,054.55 and 71,844,549.30

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Solution

The fourth proportional to 163,960,989.30, 245,906,054.55 and 71,844,549.30 is: 107,751,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,960,989.30 : 245,906,054.55 = 71,844,549.30 : x
  2. Step 2: Convert to fraction form
    163,960,989.30/245,906,054.55 = 71,844,549.30/x
  3. Step 3: Cross multiply
    163,960,989.30x = 245,906,054.55 × 71,844,549.30
  4. Step 4: Simplify right side
    163,960,989.30x = 17,667,009,659,285,964
  5. Step 5: Solve for x
    x = 17,667,009,659,285,964/163,960,989.30
  6. Step 6: Final answer
    x = 107,751,299.47

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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.