Home / 39,619,158,913.62-54,674,872,833.33-21,554,777,821.50

Finding the Fourth Proportional to 39,619,158,913.62, 54,674,872,833.33 and 21,554,777,821.50

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Solution

The fourth proportional to 39,619,158,913.62, 54,674,872,833.33 and 21,554,777,821.50 is: 29,745,829,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,619,158,913.62 : 54,674,872,833.33 = 21,554,777,821.50 : x
  2. Step 2: Convert to fraction form
    39,619,158,913.62/54,674,872,833.33 = 21,554,777,821.50/x
  3. Step 3: Cross multiply
    39,619,158,913.62x = 54,674,872,833.33 × 21,554,777,821.50
  4. Step 4: Simplify right side
    39,619,158,913.62x = 1,178,504,736,341,194,440,704
  5. Step 5: Solve for x
    x = 1,178,504,736,341,194,440,704/39,619,158,913.62
  6. Step 6: Final answer
    x = 29,745,829,256.77

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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.