Home / 81,242,358.94-112,114,455.34-46,435,796.72

Finding the Fourth Proportional to 81,242,358.94, 112,114,455.34 and 46,435,796.72

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Solution

The fourth proportional to 81,242,358.94, 112,114,455.34 and 46,435,796.72 is: 64,081,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,242,358.94 : 112,114,455.34 = 46,435,796.72 : x
  2. Step 2: Convert to fraction form
    81,242,358.94/112,114,455.34 = 46,435,796.72/x
  3. Step 3: Cross multiply
    81,242,358.94x = 112,114,455.34 × 46,435,796.72
  4. Step 4: Simplify right side
    81,242,358.94x = 5,206,124,056,981,187
  5. Step 5: Solve for x
    x = 5,206,124,056,981,187/81,242,358.94
  6. Step 6: Final answer
    x = 64,081,399.47

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1.5x scale

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.