Finding the Fourth Proportional to 97,845,047.43, 135,015,194.30 and 58,688,416.23
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Solution
The fourth proportional to 97,845,047.43, 135,015,194.30 and 58,688,416.23 is: 80,983,433.79
Step by Step Solution
- Step 1: Write the proportion equation
97,845,047.43 : 135,015,194.30 = 58,688,416.23 : x - Step 2: Convert to fraction form
97,845,047.43/135,015,194.30 = 58,688,416.23/x - Step 3: Cross multiply
97,845,047.43x = 135,015,194.30 × 58,688,416.23 - Step 4: Simplify right side
97,845,047.43x = 7,923,827,920,159,280 - Step 5: Solve for x
x = 7,923,827,920,159,280/97,845,047.43 - Step 6: Final answer
x = 80,983,433.79
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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.