Home / 69,828,220.78-96,374,670.94-40,477,912.90

Finding the Fourth Proportional to 69,828,220.78, 96,374,670.94 and 40,477,912.90

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Solution

The fourth proportional to 69,828,220.78, 96,374,670.94 and 40,477,912.90 is: 55,866,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,828,220.78 : 96,374,670.94 = 40,477,912.90 : x
  2. Step 2: Convert to fraction form
    69,828,220.78/96,374,670.94 = 40,477,912.90/x
  3. Step 3: Cross multiply
    69,828,220.78x = 96,374,670.94 × 40,477,912.90
  4. Step 4: Simplify right side
    69,828,220.78x = 3,901,045,536,075,481
  5. Step 5: Solve for x
    x = 3,901,045,536,075,481/69,828,220.78
  6. Step 6: Final answer
    x = 55,866,317.26

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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.