Home / 77,171,840.82-115,669,701.27-31,084,210.26

Finding the Fourth Proportional to 77,171,840.82, 115,669,701.27 and 31,084,210.26

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Solution

The fourth proportional to 77,171,840.82, 115,669,701.27 and 31,084,210.26 is: 46,590,845.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,171,840.82 : 115,669,701.27 = 31,084,210.26 : x
  2. Step 2: Convert to fraction form
    77,171,840.82/115,669,701.27 = 31,084,210.26/x
  3. Step 3: Cross multiply
    77,171,840.82x = 115,669,701.27 × 31,084,210.26
  4. Step 4: Simplify right side
    77,171,840.82x = 3,595,501,314,988,069
  5. Step 5: Solve for x
    x = 3,595,501,314,988,069/77,171,840.82
  6. Step 6: Final answer
    x = 46,590,845.53

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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.