Home / 80,208,448.45-110,684,470.21-45,408,357.70

Finding the Fourth Proportional to 80,208,448.45, 110,684,470.21 and 45,408,357.70

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Solution

The fourth proportional to 80,208,448.45, 110,684,470.21 and 45,408,357.70 is: 62,661,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,208,448.45 : 110,684,470.21 = 45,408,357.70 : x
  2. Step 2: Convert to fraction form
    80,208,448.45/110,684,470.21 = 45,408,357.70/x
  3. Step 3: Cross multiply
    80,208,448.45x = 110,684,470.21 × 45,408,357.70
  4. Step 4: Simplify right side
    80,208,448.45x = 5,026,000,015,130,674
  5. Step 5: Solve for x
    x = 5,026,000,015,130,674/80,208,448.45
  6. Step 6: Final answer
    x = 62,661,728.44

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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.