Home / 212,711,425.86-293,783,905.26-142,975,737.84

Finding the Fourth Proportional to 212,711,425.86, 293,783,905.26 and 142,975,737.84

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Solution

The fourth proportional to 212,711,425.86, 293,783,905.26 and 142,975,737.84 is: 197,469,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,711,425.86 : 293,783,905.26 = 142,975,737.84 : x
  2. Step 2: Convert to fraction form
    212,711,425.86/293,783,905.26 = 142,975,737.84/x
  3. Step 3: Cross multiply
    212,711,425.86x = 293,783,905.26 × 142,975,737.84
  4. Step 4: Simplify right side
    212,711,425.86x = 42,003,970,620,065,160
  5. Step 5: Solve for x
    x = 42,003,970,620,065,160/212,711,425.86
  6. Step 6: Final answer
    x = 197,469,272.98

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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.