Home / 74,859,970.60-112,100,999.10-49,161,845.80

Finding the Fourth Proportional to 74,859,970.60, 112,100,999.10 and 49,161,845.80

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Solution

The fourth proportional to 74,859,970.60, 112,100,999.10 and 49,161,845.80 is: 73,618,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,859,970.60 : 112,100,999.10 = 49,161,845.80 : x
  2. Step 2: Convert to fraction form
    74,859,970.60/112,100,999.10 = 49,161,845.80/x
  3. Step 3: Cross multiply
    74,859,970.60x = 112,100,999.10 × 49,161,845.80
  4. Step 4: Simplify right side
    74,859,970.60x = 5,511,092,031,780,138
  5. Step 5: Solve for x
    x = 5,511,092,031,780,138/74,859,970.60
  6. Step 6: Final answer
    x = 73,618,677.48

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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.