Finding the Fourth Proportional to 97,363,821.48, 134,361,582.30 and 53,310,019.80
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Solution
The fourth proportional to 97,363,821.48, 134,361,582.30 and 53,310,019.80 is: 73,567,558.30
Step by Step Solution
- Step 1: Write the proportion equation
97,363,821.48 : 134,361,582.30 = 53,310,019.80 : x - Step 2: Convert to fraction form
97,363,821.48/134,361,582.30 = 53,310,019.80/x - Step 3: Cross multiply
97,363,821.48x = 134,361,582.30 × 53,310,019.80 - Step 4: Simplify right side
97,363,821.48x = 7,162,818,612,772,330 - Step 5: Solve for x
x = 7,162,818,612,772,330/97,363,821.48 - Step 6: Final answer
x = 73,567,558.30
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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.