Finding the Fourth Proportional to 97,930,059.75, 135,143,482.59 and 53,876,115.90
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Solution
The fourth proportional to 97,930,059.75, 135,143,482.59 and 53,876,115.90 is: 74,349,040.02
Step by Step Solution
- Step 1: Write the proportion equation
97,930,059.75 : 135,143,482.59 = 53,876,115.90 : x - Step 2: Convert to fraction form
97,930,059.75/135,143,482.59 = 53,876,115.90/x - Step 3: Cross multiply
97,930,059.75x = 135,143,482.59 × 53,876,115.90 - Step 4: Simplify right side
97,930,059.75x = 7,281,005,931,148,472 - Step 5: Solve for x
x = 7,281,005,931,148,472/97,930,059.75 - Step 6: Final answer
x = 74,349,040.02
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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.