Finding the Fourth Proportional to 76,125,646.59, 105,053,126.36 and 41,318,335.23
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Solution
The fourth proportional to 76,125,646.59, 105,053,126.36 and 41,318,335.23 is: 57,019,158.27
Step by Step Solution
- Step 1: Write the proportion equation
76,125,646.59 : 105,053,126.36 = 41,318,335.23 : x - Step 2: Convert to fraction form
76,125,646.59/105,053,126.36 = 41,318,335.23/x - Step 3: Cross multiply
76,125,646.59x = 105,053,126.36 × 41,318,335.23 - Step 4: Simplify right side
76,125,646.59x = 4,340,620,291,695,438 - Step 5: Solve for x
x = 4,340,620,291,695,438/76,125,646.59 - Step 6: Final answer
x = 57,019,158.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.