Finding the Fourth Proportional to 97,992,715.84, 135,242,824.88 and 56,193,138.88
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Solution
The fourth proportional to 97,992,715.84, 135,242,824.88 and 56,193,138.88 is: 77,553,915.88
Step by Step Solution
- Step 1: Write the proportion equation
97,992,715.84 : 135,242,824.88 = 56,193,138.88 : x - Step 2: Convert to fraction form
97,992,715.84/135,242,824.88 = 56,193,138.88/x - Step 3: Cross multiply
97,992,715.84x = 135,242,824.88 × 56,193,138.88 - Step 4: Simplify right side
97,992,715.84x = 7,599,718,841,005,359 - Step 5: Solve for x
x = 7,599,718,841,005,359/97,992,715.84 - Step 6: Final answer
x = 77,553,915.88
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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.