Finding the Fourth Proportional to 98,916,940.29, 136,521,717.26 and 54,878,126.84
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Solution
The fourth proportional to 98,916,940.29, 136,521,717.26 and 54,878,126.84 is: 75,740,880.11
Step by Step Solution
- Step 1: Write the proportion equation
98,916,940.29 : 136,521,717.26 = 54,878,126.84 : x - Step 2: Convert to fraction form
98,916,940.29/136,521,717.26 = 54,878,126.84/x - Step 3: Cross multiply
98,916,940.29x = 136,521,717.26 × 54,878,126.84 - Step 4: Simplify right side
98,916,940.29x = 7,492,056,115,251,898 - Step 5: Solve for x
x = 7,492,056,115,251,898/98,916,940.29 - Step 6: Final answer
x = 75,740,880.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.