Finding the Fourth Proportional to 42,174,062.20, 63,135,122.10 and 25,125,959.80
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Solution
The fourth proportional to 42,174,062.20, 63,135,122.10 and 25,125,959.80 is: 37,613,890.08
Step by Step Solution
- Step 1: Write the proportion equation
42,174,062.20 : 63,135,122.10 = 25,125,959.80 : x - Step 2: Convert to fraction form
42,174,062.20/63,135,122.10 = 25,125,959.80/x - Step 3: Cross multiply
42,174,062.20x = 63,135,122.10 × 25,125,959.80 - Step 4: Simplify right side
42,174,062.20x = 1,586,330,539,852,691.75 - Step 5: Solve for x
x = 1,586,330,539,852,691.75/42,174,062.20 - Step 6: Final answer
x = 37,613,890.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.