Home / 91,936,130.45-137,563,556.73-73,684,970.28

Finding the Fourth Proportional to 91,936,130.45, 137,563,556.73 and 73,684,970.28

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Solution

The fourth proportional to 91,936,130.45, 137,563,556.73 and 73,684,970.28 is: 110,254,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,936,130.45 : 137,563,556.73 = 73,684,970.28 : x
  2. Step 2: Convert to fraction form
    91,936,130.45/137,563,556.73 = 73,684,970.28/x
  3. Step 3: Cross multiply
    91,936,130.45x = 137,563,556.73 × 73,684,970.28
  4. Step 4: Simplify right side
    91,936,130.45x = 10,136,366,589,261,144
  5. Step 5: Solve for x
    x = 10,136,366,589,261,144/91,936,130.45
  6. Step 6: Final answer
    x = 110,254,440.12

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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.