Finding the Fourth Proportional to 83,010,657.08, 124,416,921.57 and 38,635,228.95
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Solution
The fourth proportional to 83,010,657.08, 124,416,921.57 and 38,635,228.95 is: 57,906,736.55
Step by Step Solution
- Step 1: Write the proportion equation
83,010,657.08 : 124,416,921.57 = 38,635,228.95 : x - Step 2: Convert to fraction form
83,010,657.08/124,416,921.57 = 38,635,228.95/x - Step 3: Cross multiply
83,010,657.08x = 124,416,921.57 × 38,635,228.95 - Step 4: Simplify right side
83,010,657.08x = 4,806,876,250,111,144 - Step 5: Solve for x
x = 4,806,876,250,111,144/83,010,657.08 - Step 6: Final answer
x = 57,906,736.55
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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.