Home / 135,336,970.37-186,760,018.06-73,455,980.33

Finding the Fourth Proportional to 135,336,970.37, 186,760,018.06 and 73,455,980.33

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Solution

The fourth proportional to 135,336,970.37, 186,760,018.06 and 73,455,980.33 is: 101,366,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,336,970.37 : 186,760,018.06 = 73,455,980.33 : x
  2. Step 2: Convert to fraction form
    135,336,970.37/186,760,018.06 = 73,455,980.33/x
  3. Step 3: Cross multiply
    135,336,970.37x = 186,760,018.06 × 73,455,980.33
  4. Step 4: Simplify right side
    135,336,970.37x = 13,718,640,213,329,064
  5. Step 5: Solve for x
    x = 13,718,640,213,329,064/135,336,970.37
  6. Step 6: Final answer
    x = 101,366,538.47

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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.