Finding the Fourth Proportional to 124,584,297.60, 186,876,446.40 and 73,523,971.20
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Solution
The fourth proportional to 124,584,297.60, 186,876,446.40 and 73,523,971.20 is: 110,285,956.80
Step by Step Solution
- Step 1: Write the proportion equation
124,584,297.60 : 186,876,446.40 = 73,523,971.20 : x - Step 2: Convert to fraction form
124,584,297.60/186,876,446.40 = 73,523,971.20/x - Step 3: Cross multiply
124,584,297.60x = 186,876,446.40 × 73,523,971.20 - Step 4: Simplify right side
124,584,297.60x = 13,739,898,463,071,944 - Step 5: Solve for x
x = 13,739,898,463,071,944/124,584,297.60 - Step 6: Final answer
x = 110,285,956.80
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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.