Finding the Fourth Proportional to 326,176,728.56, 489,349,773.48 and 121,706,342
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Solution
The fourth proportional to 326,176,728.56, 489,349,773.48 and 121,706,342 is: 182,591,109.89
Step by Step Solution
- Step 1: Write the proportion equation
326,176,728.56 : 489,349,773.48 = 121,706,342 : x - Step 2: Convert to fraction form
326,176,728.56/489,349,773.48 = 121,706,342/x - Step 3: Cross multiply
326,176,728.56x = 489,349,773.48 × 121,706,342 - Step 4: Simplify right side
326,176,728.56x = 59,556,970,888,779,416 - Step 5: Solve for x
x = 59,556,970,888,779,416/326,176,728.56 - Step 6: Final answer
x = 182,591,109.89
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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.