Finding the Fourth Proportional to 98,496,072.60, 147,744,108.90 and 57,681,403.80
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Solution
The fourth proportional to 98,496,072.60, 147,744,108.90 and 57,681,403.80 is: 86,522,105.70
Step by Step Solution
- Step 1: Write the proportion equation
98,496,072.60 : 147,744,108.90 = 57,681,403.80 : x - Step 2: Convert to fraction form
98,496,072.60/147,744,108.90 = 57,681,403.80/x - Step 3: Cross multiply
98,496,072.60x = 147,744,108.90 × 57,681,403.80 - Step 4: Simplify right side
98,496,072.60x = 8,522,087,604,532,074 - Step 5: Solve for x
x = 8,522,087,604,532,074/98,496,072.60 - Step 6: Final answer
x = 86,522,105.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.