Home / 76,128,075.72-105,056,850.96-41,320,773.36

Finding the Fourth Proportional to 76,128,075.72, 105,056,850.96 and 41,320,773.36

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Solution

The fourth proportional to 76,128,075.72, 105,056,850.96 and 41,320,773.36 is: 57,022,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,128,075.72 : 105,056,850.96 = 41,320,773.36 : x
  2. Step 2: Convert to fraction form
    76,128,075.72/105,056,850.96 = 41,320,773.36/x
  3. Step 3: Cross multiply
    76,128,075.72x = 105,056,850.96 × 41,320,773.36
  4. Step 4: Simplify right side
    76,128,075.72x = 4,341,030,328,433,458
  5. Step 5: Solve for x
    x = 4,341,030,328,433,458/76,128,075.72
  6. Step 6: Final answer
    x = 57,022,725.02

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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.