Home / 289,633,364.26-399,707,707.28-164,187,991.51

Finding the Fourth Proportional to 289,633,364.26, 399,707,707.28 and 164,187,991.51

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Solution

The fourth proportional to 289,633,364.26, 399,707,707.28 and 164,187,991.51 is: 226,587,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,633,364.26 : 399,707,707.28 = 164,187,991.51 : x
  2. Step 2: Convert to fraction form
    289,633,364.26/399,707,707.28 = 164,187,991.51/x
  3. Step 3: Cross multiply
    289,633,364.26x = 399,707,707.28 × 164,187,991.51
  4. Step 4: Simplify right side
    289,633,364.26x = 65,627,205,648,011,360
  5. Step 5: Solve for x
    x = 65,627,205,648,011,360/289,633,364.26
  6. Step 6: Final answer
    x = 226,587,174.50

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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.