Home / 77,030,113.56-115,545,163.33-33,899,316.93

Finding the Fourth Proportional to 77,030,113.56, 115,545,163.33 and 33,899,316.93

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Solution

The fourth proportional to 77,030,113.56, 115,545,163.33 and 33,899,316.93 is: 50,848,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,030,113.56 : 115,545,163.33 = 33,899,316.93 : x
  2. Step 2: Convert to fraction form
    77,030,113.56/115,545,163.33 = 33,899,316.93/x
  3. Step 3: Cross multiply
    77,030,113.56x = 115,545,163.33 × 33,899,316.93
  4. Step 4: Simplify right side
    77,030,113.56x = 3,916,902,111,452,284
  5. Step 5: Solve for x
    x = 3,916,902,111,452,284/77,030,113.56
  6. Step 6: Final answer
    x = 50,848,972.31

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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.