Finding the Fourth Proportional to 68,268,348.38, 102,402,621.12 and 27,878,832.38
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Solution
The fourth proportional to 68,268,348.38, 102,402,621.12 and 27,878,832.38 is: 41,818,288.81
Step by Step Solution
- Step 1: Write the proportion equation
68,268,348.38 : 102,402,621.12 = 27,878,832.38 : x - Step 2: Convert to fraction form
68,268,348.38/102,402,621.12 = 27,878,832.38/x - Step 3: Cross multiply
68,268,348.38x = 102,402,621.12 × 27,878,832.38 - Step 4: Simplify right side
68,268,348.38x = 2,854,865,508,965,115 - Step 5: Solve for x
x = 2,854,865,508,965,115/68,268,348.38 - Step 6: Final answer
x = 41,818,288.81
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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.