Home / 77,168,383.02-115,775,313-31,086,538.80

Finding the Fourth Proportional to 77,168,383.02, 115,775,313 and 31,086,538.80

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Solution

The fourth proportional to 77,168,383.02, 115,775,313 and 31,086,538.80 is: 46,638,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,168,383.02 : 115,775,313 = 31,086,538.80 : x
  2. Step 2: Convert to fraction form
    77,168,383.02/115,775,313 = 31,086,538.80/x
  3. Step 3: Cross multiply
    77,168,383.02x = 115,775,313 × 31,086,538.80
  4. Step 4: Simplify right side
    77,168,383.02x = 3,599,053,759,656,644.50
  5. Step 5: Solve for x
    x = 3,599,053,759,656,644.50/77,168,383.02
  6. Step 6: Final answer
    x = 46,638,968.17

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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.