Home / 399,523,483.35-599,271,717.33-140,731,940.43

Finding the Fourth Proportional to 399,523,483.35, 599,271,717.33 and 140,731,940.43

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Solution

The fourth proportional to 399,523,483.35, 599,271,717.33 and 140,731,940.43 is: 211,093,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,523,483.35 : 599,271,717.33 = 140,731,940.43 : x
  2. Step 2: Convert to fraction form
    399,523,483.35/599,271,717.33 = 140,731,940.43/x
  3. Step 3: Cross multiply
    399,523,483.35x = 599,271,717.33 × 140,731,940.43
  4. Step 4: Simplify right side
    399,523,483.35x = 84,336,671,624,669,376
  5. Step 5: Solve for x
    x = 84,336,671,624,669,376/399,523,483.35
  6. Step 6: Final answer
    x = 211,093,152.57

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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.