Finding the Fourth Proportional to 157,749,151.68, 217,656,505.44 and 91,630,368
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Solution
The fourth proportional to 157,749,151.68, 217,656,505.44 and 91,630,368 is: 126,428,227.85
Step by Step Solution
- Step 1: Write the proportion equation
157,749,151.68 : 217,656,505.44 = 91,630,368 : x - Step 2: Convert to fraction form
157,749,151.68/217,656,505.44 = 91,630,368/x - Step 3: Cross multiply
157,749,151.68x = 217,656,505.44 × 91,630,368 - Step 4: Simplify right side
157,749,151.68x = 19,943,945,691,061,200 - Step 5: Solve for x
x = 19,943,945,691,061,200/157,749,151.68 - Step 6: Final answer
x = 126,428,227.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.