Home / 121,993,722.20-182,989,416.90-29,877,865.40

Finding the Fourth Proportional to 121,993,722.20, 182,989,416.90 and 29,877,865.40

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Solution

The fourth proportional to 121,993,722.20, 182,989,416.90 and 29,877,865.40 is: 44,816,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,993,722.20 : 182,989,416.90 = 29,877,865.40 : x
  2. Step 2: Convert to fraction form
    121,993,722.20/182,989,416.90 = 29,877,865.40/x
  3. Step 3: Cross multiply
    121,993,722.20x = 182,989,416.90 × 29,877,865.40
  4. Step 4: Simplify right side
    121,993,722.20x = 5,467,333,167,762,685
  5. Step 5: Solve for x
    x = 5,467,333,167,762,685/121,993,722.20
  6. Step 6: Final answer
    x = 44,816,512.43

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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.