Home / 109,306,960.70-163,936,821.45-47,896,000.70

Finding the Fourth Proportional to 109,306,960.70, 163,936,821.45 and 47,896,000.70

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Solution

The fourth proportional to 109,306,960.70, 163,936,821.45 and 47,896,000.70 is: 71,833,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,306,960.70 : 163,936,821.45 = 47,896,000.70 : x
  2. Step 2: Convert to fraction form
    109,306,960.70/163,936,821.45 = 47,896,000.70/x
  3. Step 3: Cross multiply
    109,306,960.70x = 163,936,821.45 × 47,896,000.70
  4. Step 4: Simplify right side
    109,306,960.70x = 7,851,918,114,924,975
  5. Step 5: Solve for x
    x = 7,851,918,114,924,975/109,306,960.70
  6. Step 6: Final answer
    x = 71,833,651.44

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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.