Home / 143,618,345.73-215,457,783.03-46,566,485.21

Finding the Fourth Proportional to 143,618,345.73, 215,457,783.03 and 46,566,485.21

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Solution

The fourth proportional to 143,618,345.73, 215,457,783.03 and 46,566,485.21 is: 69,859,540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,618,345.73 : 215,457,783.03 = 46,566,485.21 : x
  2. Step 2: Convert to fraction form
    143,618,345.73/215,457,783.03 = 46,566,485.21/x
  3. Step 3: Cross multiply
    143,618,345.73x = 215,457,783.03 × 46,566,485.21
  4. Step 4: Simplify right side
    143,618,345.73x = 10,033,111,667,384,528
  5. Step 5: Solve for x
    x = 10,033,111,667,384,528/143,618,345.73
  6. Step 6: Final answer
    x = 69,859,540.69

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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.