Home / 65,997,840.32-91,075,649.64-36,627,467.12

Finding the Fourth Proportional to 65,997,840.32, 91,075,649.64 and 36,627,467.12

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Solution

The fourth proportional to 65,997,840.32, 91,075,649.64 and 36,627,467.12 is: 50,545,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,997,840.32 : 91,075,649.64 = 36,627,467.12 : x
  2. Step 2: Convert to fraction form
    65,997,840.32/91,075,649.64 = 36,627,467.12/x
  3. Step 3: Cross multiply
    65,997,840.32x = 91,075,649.64 × 36,627,467.12
  4. Step 4: Simplify right side
    65,997,840.32x = 3,335,870,362,621,739.50
  5. Step 5: Solve for x
    x = 3,335,870,362,621,739.50/65,997,840.32
  6. Step 6: Final answer
    x = 50,545,144.30

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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.