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Finding the Fourth Proportional to 143,970,569.48, 215,978,249.16 and 46,903,680.08

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Solution

The fourth proportional to 143,970,569.48, 215,978,249.16 and 46,903,680.08 is: 70,362,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,970,569.48 : 215,978,249.16 = 46,903,680.08 : x
  2. Step 2: Convert to fraction form
    143,970,569.48/215,978,249.16 = 46,903,680.08/x
  3. Step 3: Cross multiply
    143,970,569.48x = 215,978,249.16 × 46,903,680.08
  4. Step 4: Simplify right side
    143,970,569.48x = 10,130,174,702,839,168
  5. Step 5: Solve for x
    x = 10,130,174,702,839,168/143,970,569.48
  6. Step 6: Final answer
    x = 70,362,816.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.