Finding the Fourth Proportional to 199,478,192.42, 298,957,750.48 and 81,165,071.81
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Solution
The fourth proportional to 199,478,192.42, 298,957,750.48 and 81,165,071.81 is: 121,642,005.03
Step by Step Solution
- Step 1: Write the proportion equation
199,478,192.42 : 298,957,750.48 = 81,165,071.81 : x - Step 2: Convert to fraction form
199,478,192.42/298,957,750.48 = 81,165,071.81/x - Step 3: Cross multiply
199,478,192.42x = 298,957,750.48 × 81,165,071.81 - Step 4: Simplify right side
199,478,192.42x = 24,264,927,285,865,264 - Step 5: Solve for x
x = 24,264,927,285,865,264/199,478,192.42 - Step 6: Final answer
x = 121,642,005.03
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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.