Home / 77,017,430.21-115,563,512.33-33,881,028.64

Finding the Fourth Proportional to 77,017,430.21, 115,563,512.33 and 33,881,028.64

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Solution

The fourth proportional to 77,017,430.21, 115,563,512.33 and 33,881,028.64 is: 50,837,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,017,430.21 : 115,563,512.33 = 33,881,028.64 : x
  2. Step 2: Convert to fraction form
    77,017,430.21/115,563,512.33 = 33,881,028.64/x
  3. Step 3: Cross multiply
    77,017,430.21x = 115,563,512.33 × 33,881,028.64
  4. Step 4: Simplify right side
    77,017,430.21x = 3,915,410,670,660,463.50
  5. Step 5: Solve for x
    x = 3,915,410,670,660,463.50/77,017,430.21
  6. Step 6: Final answer
    x = 50,837,981.22

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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.