Home / 159,909,518.05-220,686,554.15-88,380,860.85

Finding the Fourth Proportional to 159,909,518.05, 220,686,554.15 and 88,380,860.85

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Solution

The fourth proportional to 159,909,518.05, 220,686,554.15 and 88,380,860.85 is: 121,971,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,909,518.05 : 220,686,554.15 = 88,380,860.85 : x
  2. Step 2: Convert to fraction form
    159,909,518.05/220,686,554.15 = 88,380,860.85/x
  3. Step 3: Cross multiply
    159,909,518.05x = 220,686,554.15 × 88,380,860.85
  4. Step 4: Simplify right side
    159,909,518.05x = 19,504,467,633,797,140
  5. Step 5: Solve for x
    x = 19,504,467,633,797,140/159,909,518.05
  6. Step 6: Final answer
    x = 121,971,899.31

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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.