Home / 291,243,667.12-401,913,544.36-159,084,613.06

Finding the Fourth Proportional to 291,243,667.12, 401,913,544.36 and 159,084,613.06

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Solution

The fourth proportional to 291,243,667.12, 401,913,544.36 and 159,084,613.06 is: 219,535,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,243,667.12 : 401,913,544.36 = 159,084,613.06 : x
  2. Step 2: Convert to fraction form
    291,243,667.12/401,913,544.36 = 159,084,613.06/x
  3. Step 3: Cross multiply
    291,243,667.12x = 401,913,544.36 × 159,084,613.06
  4. Step 4: Simplify right side
    291,243,667.12x = 63,938,260,685,278,760
  5. Step 5: Solve for x
    x = 63,938,260,685,278,760/291,243,667.12
  6. Step 6: Final answer
    x = 219,535,282.32

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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.