Home / 55,172,574.36-76,126,503.78-31,966,288.20

Finding the Fourth Proportional to 55,172,574.36, 76,126,503.78 and 31,966,288.20

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Solution

The fourth proportional to 55,172,574.36, 76,126,503.78 and 31,966,288.20 is: 44,106,728.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,172,574.36 : 76,126,503.78 = 31,966,288.20 : x
  2. Step 2: Convert to fraction form
    55,172,574.36/76,126,503.78 = 31,966,288.20/x
  3. Step 3: Cross multiply
    55,172,574.36x = 76,126,503.78 × 31,966,288.20
  4. Step 4: Simplify right side
    55,172,574.36x = 2,433,481,759,489,869.50
  5. Step 5: Solve for x
    x = 2,433,481,759,489,869.50/55,172,574.36
  6. Step 6: Final answer
    x = 44,106,728.53

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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.