Home / 111,556,018.93-153,899,552.35-69,667,361.93

Finding the Fourth Proportional to 111,556,018.93, 153,899,552.35 and 69,667,361.93

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Solution

The fourth proportional to 111,556,018.93, 153,899,552.35 and 69,667,361.93 is: 96,111,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,556,018.93 : 153,899,552.35 = 69,667,361.93 : x
  2. Step 2: Convert to fraction form
    111,556,018.93/153,899,552.35 = 69,667,361.93/x
  3. Step 3: Cross multiply
    111,556,018.93x = 153,899,552.35 × 69,667,361.93
  4. Step 4: Simplify right side
    111,556,018.93x = 10,721,775,814,084,096
  5. Step 5: Solve for x
    x = 10,721,775,814,084,096/111,556,018.93
  6. Step 6: Final answer
    x = 96,111,136.96

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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.