Finding the Fourth Proportional to 97,934,949.69, 135,073,728.53 and 60,744,376.36
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Solution
The fourth proportional to 97,934,949.69, 135,073,728.53 and 60,744,376.36 is: 83,779,788.81
Step by Step Solution
- Step 1: Write the proportion equation
97,934,949.69 : 135,073,728.53 = 60,744,376.36 : x - Step 2: Convert to fraction form
97,934,949.69/135,073,728.53 = 60,744,376.36/x - Step 3: Cross multiply
97,934,949.69x = 135,073,728.53 × 60,744,376.36 - Step 4: Simplify right side
97,934,949.69x = 8,204,969,402,174,790 - Step 5: Solve for x
x = 8,204,969,402,174,790/97,934,949.69 - Step 6: Final answer
x = 83,779,788.81
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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.