Home / 225,163,564.52-310,565,539.08-206,638,527.56

Finding the Fourth Proportional to 225,163,564.52, 310,565,539.08 and 206,638,527.56

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Solution

The fourth proportional to 225,163,564.52, 310,565,539.08 and 206,638,527.56 is: 285,014,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,163,564.52 : 310,565,539.08 = 206,638,527.56 : x
  2. Step 2: Convert to fraction form
    225,163,564.52/310,565,539.08 = 206,638,527.56/x
  3. Step 3: Cross multiply
    225,163,564.52x = 310,565,539.08 × 206,638,527.56
  4. Step 4: Simplify right side
    225,163,564.52x = 64,174,805,706,368,832
  5. Step 5: Solve for x
    x = 64,174,805,706,368,832/225,163,564.52
  6. Step 6: Final answer
    x = 285,014,166.67

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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.