Finding the Fourth Proportional to 103,493,129.10, 155,239,693.65 and 88,104,959.70
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Solution
The fourth proportional to 103,493,129.10, 155,239,693.65 and 88,104,959.70 is: 132,157,439.55
Step by Step Solution
- Step 1: Write the proportion equation
103,493,129.10 : 155,239,693.65 = 88,104,959.70 : x - Step 2: Convert to fraction form
103,493,129.10/155,239,693.65 = 88,104,959.70/x - Step 3: Cross multiply
103,493,129.10x = 155,239,693.65 × 88,104,959.70 - Step 4: Simplify right side
103,493,129.10x = 13,677,386,952,873,596 - Step 5: Solve for x
x = 13,677,386,952,873,596/103,493,129.10 - Step 6: Final answer
x = 132,157,439.55
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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.