Home / 218,907,647.80-328,144,895.70-103,689,676.60

Finding the Fourth Proportional to 218,907,647.80, 328,144,895.70 and 103,689,676.60

Calculator

Solution

The fourth proportional to 218,907,647.80, 328,144,895.70 and 103,689,676.60 is: 155,431,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,907,647.80 : 328,144,895.70 = 103,689,676.60 : x
  2. Step 2: Convert to fraction form
    218,907,647.80/328,144,895.70 = 103,689,676.60/x
  3. Step 3: Cross multiply
    218,907,647.80x = 328,144,895.70 × 103,689,676.60
  4. Step 4: Simplify right side
    218,907,647.80x = 34,025,238,113,073,728
  5. Step 5: Solve for x
    x = 34,025,238,113,073,728/218,907,647.80
  6. Step 6: Final answer
    x = 155,431,929.65

Related Problems

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.