Home / 84,929,518.56-127,392,995.84-38,210,012.54

Finding the Fourth Proportional to 84,929,518.56, 127,392,995.84 and 38,210,012.54

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Solution

The fourth proportional to 84,929,518.56, 127,392,995.84 and 38,210,012.54 is: 57,314,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,929,518.56 : 127,392,995.84 = 38,210,012.54 : x
  2. Step 2: Convert to fraction form
    84,929,518.56/127,392,995.84 = 38,210,012.54/x
  3. Step 3: Cross multiply
    84,929,518.56x = 127,392,995.84 × 38,210,012.54
  4. Step 4: Simplify right side
    84,929,518.56x = 4,867,687,968,554,568
  5. Step 5: Solve for x
    x = 4,867,687,968,554,568/84,929,518.56
  6. Step 6: Final answer
    x = 57,314,442.03

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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.