Home / 77,048,980.57-106,324,771.66-42,240,907.27

Finding the Fourth Proportional to 77,048,980.57, 106,324,771.66 and 42,240,907.27

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Solution

The fourth proportional to 77,048,980.57, 106,324,771.66 and 42,240,907.27 is: 58,290,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,048,980.57 : 106,324,771.66 = 42,240,907.27 : x
  2. Step 2: Convert to fraction form
    77,048,980.57/106,324,771.66 = 42,240,907.27/x
  3. Step 3: Cross multiply
    77,048,980.57x = 106,324,771.66 × 42,240,907.27
  4. Step 4: Simplify right side
    77,048,980.57x = 4,491,254,820,193,984
  5. Step 5: Solve for x
    x = 4,491,254,820,193,984/77,048,980.57
  6. Step 6: Final answer
    x = 58,290,905.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.