Finding the Fourth Proportional to 238,267,610.91, 328,773,478.64 and 133,825,673.07
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Solution
The fourth proportional to 238,267,610.91, 328,773,478.64 and 133,825,673.07 is: 184,659,307.65
Step by Step Solution
- Step 1: Write the proportion equation
238,267,610.91 : 328,773,478.64 = 133,825,673.07 : x - Step 2: Convert to fraction form
238,267,610.91/328,773,478.64 = 133,825,673.07/x - Step 3: Cross multiply
238,267,610.91x = 328,773,478.64 × 133,825,673.07 - Step 4: Simplify right side
238,267,610.91x = 43,998,332,065,894,136 - Step 5: Solve for x
x = 43,998,332,065,894,136/238,267,610.91 - Step 6: Final answer
x = 184,659,307.65
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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.