Home / 42,079,244.80-63,118,867.20-18,144,716.80

Finding the Fourth Proportional to 42,079,244.80, 63,118,867.20 and 18,144,716.80

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Solution

The fourth proportional to 42,079,244.80, 63,118,867.20 and 18,144,716.80 is: 27,217,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,079,244.80 : 63,118,867.20 = 18,144,716.80 : x
  2. Step 2: Convert to fraction form
    42,079,244.80/63,118,867.20 = 18,144,716.80/x
  3. Step 3: Cross multiply
    42,079,244.80x = 63,118,867.20 × 18,144,716.80
  4. Step 4: Simplify right side
    42,079,244.80x = 1,145,273,970,080,809
  5. Step 5: Solve for x
    x = 1,145,273,970,080,809/42,079,244.80
  6. Step 6: Final answer
    x = 27,217,075.20

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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.