Home / 77,030,111.07-115,545,159.56-33,899,314.43

Finding the Fourth Proportional to 77,030,111.07, 115,545,159.56 and 33,899,314.43

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Solution

The fourth proportional to 77,030,111.07, 115,545,159.56 and 33,899,314.43 is: 50,848,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,030,111.07 : 115,545,159.56 = 33,899,314.43 : x
  2. Step 2: Convert to fraction form
    77,030,111.07/115,545,159.56 = 33,899,314.43/x
  3. Step 3: Cross multiply
    77,030,111.07x = 115,545,159.56 × 33,899,314.43
  4. Step 4: Simplify right side
    77,030,111.07x = 3,916,901,695,162,571.50
  5. Step 5: Solve for x
    x = 3,916,901,695,162,571.50/77,030,111.07
  6. Step 6: Final answer
    x = 50,848,968.55

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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.