Finding the Fourth Proportional to 97,799,211.60, 146,698,817.40 and 73,406,069.70
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Solution
The fourth proportional to 97,799,211.60, 146,698,817.40 and 73,406,069.70 is: 110,109,104.55
Step by Step Solution
- Step 1: Write the proportion equation
97,799,211.60 : 146,698,817.40 = 73,406,069.70 : x - Step 2: Convert to fraction form
97,799,211.60/146,698,817.40 = 73,406,069.70/x - Step 3: Cross multiply
97,799,211.60x = 146,698,817.40 × 73,406,069.70 - Step 4: Simplify right side
97,799,211.60x = 10,768,583,614,971,974 - Step 5: Solve for x
x = 10,768,583,614,971,974/97,799,211.60 - Step 6: Final answer
x = 110,109,104.55
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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.