Home / 111,556,009.42-153,899,539.26-69,667,352.42

Finding the Fourth Proportional to 111,556,009.42, 153,899,539.26 and 69,667,352.42

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Solution

The fourth proportional to 111,556,009.42, 153,899,539.26 and 69,667,352.42 is: 96,111,123.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,556,009.42 : 153,899,539.26 = 69,667,352.42 : x
  2. Step 2: Convert to fraction form
    111,556,009.42/153,899,539.26 = 69,667,352.42/x
  3. Step 3: Cross multiply
    111,556,009.42x = 153,899,539.26 × 69,667,352.42
  4. Step 4: Simplify right side
    111,556,009.42x = 10,721,773,438,902,046
  5. Step 5: Solve for x
    x = 10,721,773,438,902,046/111,556,009.42
  6. Step 6: Final answer
    x = 96,111,123.86

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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.