Finding the Fourth Proportional to 98,757,828.68, 136,176,611.89 and 62,937,553.66
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Solution
The fourth proportional to 98,757,828.68, 136,176,611.89 and 62,937,553.66 is: 86,784,237.08
Step by Step Solution
- Step 1: Write the proportion equation
98,757,828.68 : 136,176,611.89 = 62,937,553.66 : x - Step 2: Convert to fraction form
98,757,828.68/136,176,611.89 = 62,937,553.66/x - Step 3: Cross multiply
98,757,828.68x = 136,176,611.89 × 62,937,553.66 - Step 4: Simplify right side
98,757,828.68x = 8,570,622,818,063,868 - Step 5: Solve for x
x = 8,570,622,818,063,868/98,757,828.68 - Step 6: Final answer
x = 86,784,237.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.