Finding the Fourth Proportional to 98,319,327,420.86, 135,679,227,877.99 and 54,916,245,693.51
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Solution
The fourth proportional to 98,319,327,420.86, 135,679,227,877.99 and 54,916,245,693.51 is: 75,783,612,531.84
Step by Step Solution
- Step 1: Write the proportion equation
98,319,327,420.86 : 135,679,227,877.99 = 54,916,245,693.51 : x - Step 2: Convert to fraction form
98,319,327,420.86/135,679,227,877.99 = 54,916,245,693.51/x - Step 3: Cross multiply
98,319,327,420.86x = 135,679,227,877.99 × 54,916,245,693.51 - Step 4: Simplify right side
98,319,327,420.86x = 7,450,993,813,653,837,316,096 - Step 5: Solve for x
x = 7,450,993,813,653,837,316,096/98,319,327,420.86 - Step 6: Final answer
x = 75,783,612,531.84
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1.5x scale
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.