Home / 220,429,030.79-330,847,849.55-111,330,817.40

Finding the Fourth Proportional to 220,429,030.79, 330,847,849.55 and 111,330,817.40

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Solution

The fourth proportional to 220,429,030.79, 330,847,849.55 and 111,330,817.40 is: 167,099,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,429,030.79 : 330,847,849.55 = 111,330,817.40 : x
  2. Step 2: Convert to fraction form
    220,429,030.79/330,847,849.55 = 111,330,817.40/x
  3. Step 3: Cross multiply
    220,429,030.79x = 330,847,849.55 × 111,330,817.40
  4. Step 4: Simplify right side
    220,429,030.79x = 36,833,561,526,539,168
  5. Step 5: Solve for x
    x = 36,833,561,526,539,168/220,429,030.79
  6. Step 6: Final answer
    x = 167,099,412.42

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Why These Related Problems?

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