Home / 77,763,019.70-116,644,529.55-26,628,043.70

Finding the Fourth Proportional to 77,763,019.70, 116,644,529.55 and 26,628,043.70

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Solution

The fourth proportional to 77,763,019.70, 116,644,529.55 and 26,628,043.70 is: 39,942,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,763,019.70 : 116,644,529.55 = 26,628,043.70 : x
  2. Step 2: Convert to fraction form
    77,763,019.70/116,644,529.55 = 26,628,043.70/x
  3. Step 3: Cross multiply
    77,763,019.70x = 116,644,529.55 × 26,628,043.70
  4. Step 4: Simplify right side
    77,763,019.70x = 3,106,015,630,223,341
  5. Step 5: Solve for x
    x = 3,106,015,630,223,341/77,763,019.70
  6. Step 6: Final answer
    x = 39,942,065.55

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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.