Home / 72,406,075.95-108,614,362.73-43,590,163.95

Finding the Fourth Proportional to 72,406,075.95, 108,614,362.73 and 43,590,163.95

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Solution

The fourth proportional to 72,406,075.95, 108,614,362.73 and 43,590,163.95 is: 65,388,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,406,075.95 : 108,614,362.73 = 43,590,163.95 : x
  2. Step 2: Convert to fraction form
    72,406,075.95/108,614,362.73 = 43,590,163.95/x
  3. Step 3: Cross multiply
    72,406,075.95x = 108,614,362.73 × 43,590,163.95
  4. Step 4: Simplify right side
    72,406,075.95x = 4,734,517,878,507,519
  5. Step 5: Solve for x
    x = 4,734,517,878,507,519/72,406,075.95
  6. Step 6: Final answer
    x = 65,388,405.83

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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.