Home / 85,377,167.31-117,820,528.93-46,218,942.79

Finding the Fourth Proportional to 85,377,167.31, 117,820,528.93 and 46,218,942.79

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Solution

The fourth proportional to 85,377,167.31, 117,820,528.93 and 46,218,942.79 is: 63,782,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,377,167.31 : 117,820,528.93 = 46,218,942.79 : x
  2. Step 2: Convert to fraction form
    85,377,167.31/117,820,528.93 = 46,218,942.79/x
  3. Step 3: Cross multiply
    85,377,167.31x = 117,820,528.93 × 46,218,942.79
  4. Step 4: Simplify right side
    85,377,167.31x = 5,445,540,285,987,662
  5. Step 5: Solve for x
    x = 5,445,540,285,987,662/85,377,167.31
  6. Step 6: Final answer
    x = 63,782,161.64

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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.