Finding the Fourth Proportional to 98,160,657.43, 135,467,767.97 and 54,107,557.06
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Solution
The fourth proportional to 98,160,657.43, 135,467,767.97 and 54,107,557.06 is: 74,671,769.49
Step by Step Solution
- Step 1: Write the proportion equation
98,160,657.43 : 135,467,767.97 = 54,107,557.06 : x - Step 2: Convert to fraction form
98,160,657.43/135,467,767.97 = 54,107,557.06/x - Step 3: Cross multiply
98,160,657.43x = 135,467,767.97 × 54,107,557.06 - Step 4: Simplify right side
98,160,657.43x = 7,329,829,984,957,078 - Step 5: Solve for x
x = 7,329,829,984,957,078/98,160,657.43 - Step 6: Final answer
x = 74,671,769.49
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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.