Finding the Fourth Proportional to 96,769,272.10, 145,153,908.15 and 72,582,801.70
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Solution
The fourth proportional to 96,769,272.10, 145,153,908.15 and 72,582,801.70 is: 108,874,202.55
Step by Step Solution
- Step 1: Write the proportion equation
96,769,272.10 : 145,153,908.15 = 72,582,801.70 : x - Step 2: Convert to fraction form
96,769,272.10/145,153,908.15 = 72,582,801.70/x - Step 3: Cross multiply
96,769,272.10x = 145,153,908.15 × 72,582,801.70 - Step 4: Simplify right side
96,769,272.10x = 10,535,677,331,231,464 - Step 5: Solve for x
x = 10,535,677,331,231,464/96,769,272.10 - Step 6: Final answer
x = 108,874,202.55
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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.