Home / 52,361,361.36-78,515,764.83-30,508,802.69

Finding the Fourth Proportional to 52,361,361.36, 78,515,764.83 and 30,508,802.69

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Solution

The fourth proportional to 52,361,361.36, 78,515,764.83 and 30,508,802.69 is: 45,747,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,361,361.36 : 78,515,764.83 = 30,508,802.69 : x
  2. Step 2: Convert to fraction form
    52,361,361.36/78,515,764.83 = 30,508,802.69/x
  3. Step 3: Cross multiply
    52,361,361.36x = 78,515,764.83 × 30,508,802.69
  4. Step 4: Simplify right side
    52,361,361.36x = 2,395,421,976,860,332.50
  5. Step 5: Solve for x
    x = 2,395,421,976,860,332.50/52,361,361.36
  6. Step 6: Final answer
    x = 45,747,893.38

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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.