Home / 77,313,959.52-106,687,770.48-42,505,749.60

Finding the Fourth Proportional to 77,313,959.52, 106,687,770.48 and 42,505,749.60

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Solution

The fourth proportional to 77,313,959.52, 106,687,770.48 and 42,505,749.60 is: 58,654,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,313,959.52 : 106,687,770.48 = 42,505,749.60 : x
  2. Step 2: Convert to fraction form
    77,313,959.52/106,687,770.48 = 42,505,749.60/x
  3. Step 3: Cross multiply
    77,313,959.52x = 106,687,770.48 × 42,505,749.60
  4. Step 4: Simplify right side
    77,313,959.52x = 4,534,843,657,405,152
  5. Step 5: Solve for x
    x = 4,534,843,657,405,152/77,313,959.52
  6. Step 6: Final answer
    x = 58,654,914.14

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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.