Home / 78,028,557.66-117,081,293.60-36,532,238.63

Finding the Fourth Proportional to 78,028,557.66, 117,081,293.60 and 36,532,238.63

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Solution

The fourth proportional to 78,028,557.66, 117,081,293.60 and 36,532,238.63 is: 54,816,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,028,557.66 : 117,081,293.60 = 36,532,238.63 : x
  2. Step 2: Convert to fraction form
    78,028,557.66/117,081,293.60 = 36,532,238.63/x
  3. Step 3: Cross multiply
    78,028,557.66x = 117,081,293.60 × 36,532,238.63
  4. Step 4: Simplify right side
    78,028,557.66x = 4,277,241,756,410,216
  5. Step 5: Solve for x
    x = 4,277,241,756,410,216/78,028,557.66
  6. Step 6: Final answer
    x = 54,816,363.20

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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.