Home / 216,013,718.97-298,003,936.95-126,660,054.51

Finding the Fourth Proportional to 216,013,718.97, 298,003,936.95 and 126,660,054.51

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Solution

The fourth proportional to 216,013,718.97, 298,003,936.95 and 126,660,054.51 is: 174,735,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,013,718.97 : 298,003,936.95 = 126,660,054.51 : x
  2. Step 2: Convert to fraction form
    216,013,718.97/298,003,936.95 = 126,660,054.51/x
  3. Step 3: Cross multiply
    216,013,718.97x = 298,003,936.95 × 126,660,054.51
  4. Step 4: Simplify right side
    216,013,718.97x = 37,745,194,898,281,600
  5. Step 5: Solve for x
    x = 37,745,194,898,281,600/216,013,718.97
  6. Step 6: Final answer
    x = 174,735,174.59

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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.