Finding the Fourth Proportional to 97,799,193.60, 146,698,790.40 and 73,406,051.70
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Solution
The fourth proportional to 97,799,193.60, 146,698,790.40 and 73,406,051.70 is: 110,109,077.55
Step by Step Solution
- Step 1: Write the proportion equation
97,799,193.60 : 146,698,790.40 = 73,406,051.70 : x - Step 2: Convert to fraction form
97,799,193.60/146,698,790.40 = 73,406,051.70/x - Step 3: Cross multiply
97,799,193.60x = 146,698,790.40 × 73,406,051.70 - Step 4: Simplify right side
97,799,193.60x = 10,768,578,992,429,864 - Step 5: Solve for x
x = 10,768,578,992,429,864/97,799,193.60 - Step 6: Final answer
x = 110,109,077.55
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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.