Finding the Fourth Proportional to 121,533,526.50, 167,705,623.96 and 68,607,317.31
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Solution
The fourth proportional to 121,533,526.50, 167,705,623.96 and 68,607,317.31 is: 94,672,089.99
Step by Step Solution
- Step 1: Write the proportion equation
121,533,526.50 : 167,705,623.96 = 68,607,317.31 : x - Step 2: Convert to fraction form
121,533,526.50/167,705,623.96 = 68,607,317.31/x - Step 3: Cross multiply
121,533,526.50x = 167,705,623.96 × 68,607,317.31 - Step 4: Simplify right side
121,533,526.50x = 11,505,832,957,695,260 - Step 5: Solve for x
x = 11,505,832,957,695,260/121,533,526.50 - Step 6: Final answer
x = 94,672,089.99
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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.