Finding the Fourth Proportional to 157,513,468.72, 236,269,211.64 and 84,764,517.52
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Solution
The fourth proportional to 157,513,468.72, 236,269,211.64 and 84,764,517.52 is: 127,146,242.75
Step by Step Solution
- Step 1: Write the proportion equation
157,513,468.72 : 236,269,211.64 = 84,764,517.52 : x - Step 2: Convert to fraction form
157,513,468.72/236,269,211.64 = 84,764,517.52/x - Step 3: Cross multiply
157,513,468.72x = 236,269,211.64 × 84,764,517.52 - Step 4: Simplify right side
157,513,468.72x = 20,027,245,729,495,364 - Step 5: Solve for x
x = 20,027,245,729,495,364/157,513,468.72 - Step 6: Final answer
x = 127,146,242.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.