Finding the Fourth Proportional to 86,490,917.99, 119,357,388.99 and 48,822,012.53
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Solution
The fourth proportional to 86,490,917.99, 119,357,388.99 and 48,822,012.53 is: 67,374,333.35
Step by Step Solution
- Step 1: Write the proportion equation
86,490,917.99 : 119,357,388.99 = 48,822,012.53 : x - Step 2: Convert to fraction form
86,490,917.99/119,357,388.99 = 48,822,012.53/x - Step 3: Cross multiply
86,490,917.99x = 119,357,388.99 × 48,822,012.53 - Step 4: Simplify right side
86,490,917.99x = 5,827,267,940,221,077 - Step 5: Solve for x
x = 5,827,267,940,221,077/86,490,917.99 - Step 6: Final answer
x = 67,374,333.35
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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.