Home / 84,548,571.60-116,675,051.76-49,743,501.78

Finding the Fourth Proportional to 84,548,571.60, 116,675,051.76 and 49,743,501.78

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Solution

The fourth proportional to 84,548,571.60, 116,675,051.76 and 49,743,501.78 is: 68,644,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,548,571.60 : 116,675,051.76 = 49,743,501.78 : x
  2. Step 2: Convert to fraction form
    84,548,571.60/116,675,051.76 = 49,743,501.78/x
  3. Step 3: Cross multiply
    84,548,571.60x = 116,675,051.76 × 49,743,501.78
  4. Step 4: Simplify right side
    84,548,571.60x = 5,803,825,644,905,153
  5. Step 5: Solve for x
    x = 5,803,825,644,905,153/84,548,571.60
  6. Step 6: Final answer
    x = 68,644,869.28

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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.