Finding the Fourth Proportional to 71,430,177.61, 107,133,788.30 and 19,602,673.48
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Solution
The fourth proportional to 71,430,177.61, 107,133,788.30 and 19,602,673.48 is: 29,400,860.27
Step by Step Solution
- Step 1: Write the proportion equation
71,430,177.61 : 107,133,788.30 = 19,602,673.48 : x - Step 2: Convert to fraction form
71,430,177.61/107,133,788.30 = 19,602,673.48/x - Step 3: Cross multiply
71,430,177.61x = 107,133,788.30 × 19,602,673.48 - Step 4: Simplify right side
71,430,177.61x = 2,100,108,670,769,351 - Step 5: Solve for x
x = 2,100,108,670,769,351/71,430,177.61 - Step 6: Final answer
x = 29,400,860.27
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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.