Home / 144,472,907.50-199,372,012.40-85,783,884.46

Finding the Fourth Proportional to 144,472,907.50, 199,372,012.40 and 85,783,884.46

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Solution

The fourth proportional to 144,472,907.50, 199,372,012.40 and 85,783,884.46 is: 118,381,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,472,907.50 : 199,372,012.40 = 85,783,884.46 : x
  2. Step 2: Convert to fraction form
    144,472,907.50/199,372,012.40 = 85,783,884.46/x
  3. Step 3: Cross multiply
    144,472,907.50x = 199,372,012.40 × 85,783,884.46
  4. Step 4: Simplify right side
    144,472,907.50x = 17,102,905,676,279,286
  5. Step 5: Solve for x
    x = 17,102,905,676,279,286/144,472,907.50
  6. Step 6: Final answer
    x = 118,381,404.32

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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.