Home / 86,038,138.21-118,731,135.80-46,880,236.73

Finding the Fourth Proportional to 86,038,138.21, 118,731,135.80 and 46,880,236.73

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Solution

The fourth proportional to 86,038,138.21, 118,731,135.80 and 46,880,236.73 is: 64,693,912.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,038,138.21 : 118,731,135.80 = 46,880,236.73 : x
  2. Step 2: Convert to fraction form
    86,038,138.21/118,731,135.80 = 46,880,236.73/x
  3. Step 3: Cross multiply
    86,038,138.21x = 118,731,135.80 × 46,880,236.73
  4. Step 4: Simplify right side
    86,038,138.21x = 5,566,143,753,049,323
  5. Step 5: Solve for x
    x = 5,566,143,753,049,323/86,038,138.21
  6. Step 6: Final answer
    x = 64,693,912.13

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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.