Home / 218,073,513.80-327,113,120-72,507,075.24

Finding the Fourth Proportional to 218,073,513.80, 327,113,120 and 72,507,075.24

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Solution

The fourth proportional to 218,073,513.80, 327,113,120 and 72,507,075.24 is: 108,761,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,073,513.80 : 327,113,120 = 72,507,075.24 : x
  2. Step 2: Convert to fraction form
    218,073,513.80/327,113,120 = 72,507,075.24/x
  3. Step 3: Cross multiply
    218,073,513.80x = 327,113,120 × 72,507,075.24
  4. Step 4: Simplify right side
    218,073,513.80x = 23,718,015,603,831,148
  5. Step 5: Solve for x
    x = 23,718,015,603,831,148/218,073,513.80
  6. Step 6: Final answer
    x = 108,761,560.22

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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.