Home / 43,716,901.80-65,575,352.70-13,420,828.20

Finding the Fourth Proportional to 43,716,901.80, 65,575,352.70 and 13,420,828.20

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Solution

The fourth proportional to 43,716,901.80, 65,575,352.70 and 13,420,828.20 is: 20,131,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,716,901.80 : 65,575,352.70 = 13,420,828.20 : x
  2. Step 2: Convert to fraction form
    43,716,901.80/65,575,352.70 = 13,420,828.20/x
  3. Step 3: Cross multiply
    43,716,901.80x = 65,575,352.70 × 13,420,828.20
  4. Step 4: Simplify right side
    43,716,901.80x = 880,075,542,741,106.12
  5. Step 5: Solve for x
    x = 880,075,542,741,106.12/43,716,901.80
  6. Step 6: Final answer
    x = 20,131,242.30

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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.