Finding the Fourth Proportional to 157,748,821.56, 217,693,465.98 and 88,134,202.44
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Solution
The fourth proportional to 157,748,821.56, 217,693,465.98 and 88,134,202.44 is: 121,625,250.89
Step by Step Solution
- Step 1: Write the proportion equation
157,748,821.56 : 217,693,465.98 = 88,134,202.44 : x - Step 2: Convert to fraction form
157,748,821.56/217,693,465.98 = 88,134,202.44/x - Step 3: Cross multiply
157,748,821.56x = 217,693,465.98 × 88,134,202.44 - Step 4: Simplify right side
157,748,821.56x = 19,186,240,000,546,572 - Step 5: Solve for x
x = 19,186,240,000,546,572/157,748,821.56 - Step 6: Final answer
x = 121,625,250.89
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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.