Home / 84,726,921.11-116,916,734.40-47,550,021.32

Finding the Fourth Proportional to 84,726,921.11, 116,916,734.40 and 47,550,021.32

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Solution

The fourth proportional to 84,726,921.11, 116,916,734.40 and 47,550,021.32 is: 65,615,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726,921.11 : 116,916,734.40 = 47,550,021.32 : x
  2. Step 2: Convert to fraction form
    84,726,921.11/116,916,734.40 = 47,550,021.32/x
  3. Step 3: Cross multiply
    84,726,921.11x = 116,916,734.40 × 47,550,021.32
  4. Step 4: Simplify right side
    84,726,921.11x = 5,559,393,212,800,194
  5. Step 5: Solve for x
    x = 5,559,393,212,800,194/84,726,921.11
  6. Step 6: Final answer
    x = 65,615,428.25

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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.