Finding the Fourth Proportional to 97,849,302.20, 134,921,097.70 and 62,520,432.52
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Solution
The fourth proportional to 97,849,302.20, 134,921,097.70 and 62,520,432.52 is: 86,207,312.62
Step by Step Solution
- Step 1: Write the proportion equation
97,849,302.20 : 134,921,097.70 = 62,520,432.52 : x - Step 2: Convert to fraction form
97,849,302.20/134,921,097.70 = 62,520,432.52/x - Step 3: Cross multiply
97,849,302.20x = 134,921,097.70 × 62,520,432.52 - Step 4: Simplify right side
97,849,302.20x = 8,435,325,384,277,177 - Step 5: Solve for x
x = 8,435,325,384,277,177/97,849,302.20 - Step 6: Final answer
x = 86,207,312.62
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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.