Home / 320,789,859.36-442,690,333.56-174,112,173.60

Finding the Fourth Proportional to 320,789,859.36, 442,690,333.56 and 174,112,173.60

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Solution

The fourth proportional to 320,789,859.36, 442,690,333.56 and 174,112,173.60 is: 240,274,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,789,859.36 : 442,690,333.56 = 174,112,173.60 : x
  2. Step 2: Convert to fraction form
    320,789,859.36/442,690,333.56 = 174,112,173.60/x
  3. Step 3: Cross multiply
    320,789,859.36x = 442,690,333.56 × 174,112,173.60
  4. Step 4: Simplify right side
    320,789,859.36x = 77,077,776,207,840,624
  5. Step 5: Solve for x
    x = 77,077,776,207,840,624/320,789,859.36
  6. Step 6: Final answer
    x = 240,274,977.40

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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.