Home / 72,848,971.80-109,131,740.10-44,009,440.20

Finding the Fourth Proportional to 72,848,971.80, 109,131,740.10 and 44,009,440.20

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Solution

The fourth proportional to 72,848,971.80, 109,131,740.10 and 44,009,440.20 is: 65,928,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,848,971.80 : 109,131,740.10 = 44,009,440.20 : x
  2. Step 2: Convert to fraction form
    72,848,971.80/109,131,740.10 = 44,009,440.20/x
  3. Step 3: Cross multiply
    72,848,971.80x = 109,131,740.10 × 44,009,440.20
  4. Step 4: Simplify right side
    72,848,971.80x = 4,802,826,789,852,892
  5. Step 5: Solve for x
    x = 4,802,826,789,852,892/72,848,971.80
  6. Step 6: Final answer
    x = 65,928,546.02

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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.