Finding the Fourth Proportional to 213,069,598.56, 318,681,117.36 and 125,422,232.88
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Solution
The fourth proportional to 213,069,598.56, 318,681,117.36 and 125,422,232.88 is: 187,589,865.41
Step by Step Solution
- Step 1: Write the proportion equation
213,069,598.56 : 318,681,117.36 = 125,422,232.88 : x - Step 2: Convert to fraction form
213,069,598.56/318,681,117.36 = 125,422,232.88/x - Step 3: Cross multiply
213,069,598.56x = 318,681,117.36 × 125,422,232.88 - Step 4: Simplify right side
213,069,598.56x = 39,969,697,315,984,528 - Step 5: Solve for x
x = 39,969,697,315,984,528/213,069,598.56 - Step 6: Final answer
x = 187,589,865.41
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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.