Finding the Fourth Proportional to 97,109,916.80, 145,622,884.80 and 48,569,014.40
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Solution
The fourth proportional to 97,109,916.80, 145,622,884.80 and 48,569,014.40 is: 72,832,520.32
Step by Step Solution
- Step 1: Write the proportion equation
97,109,916.80 : 145,622,884.80 = 48,569,014.40 : x - Step 2: Convert to fraction form
97,109,916.80/145,622,884.80 = 48,569,014.40/x - Step 3: Cross multiply
97,109,916.80x = 145,622,884.80 × 48,569,014.40 - Step 4: Simplify right side
97,109,916.80x = 7,072,759,988,820,741 - Step 5: Solve for x
x = 7,072,759,988,820,741/97,109,916.80 - Step 6: Final answer
x = 72,832,520.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.