Finding the Fourth Proportional to 97,668,447.68, 146,365,874.66 and 73,391,894.76
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Solution
The fourth proportional to 97,668,447.68, 146,365,874.66 and 73,391,894.76 is: 109,985,047.62
Step by Step Solution
- Step 1: Write the proportion equation
97,668,447.68 : 146,365,874.66 = 73,391,894.76 : x - Step 2: Convert to fraction form
97,668,447.68/146,365,874.66 = 73,391,894.76/x - Step 3: Cross multiply
97,668,447.68x = 146,365,874.66 × 73,391,894.76 - Step 4: Simplify right side
97,668,447.68x = 10,742,068,869,502,072 - Step 5: Solve for x
x = 10,742,068,869,502,072/97,668,447.68 - Step 6: Final answer
x = 109,985,047.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.