Finding the Fourth Proportional to 232,171,698.35, 348,246,069.75 and 86,593,917.53
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Solution
The fourth proportional to 232,171,698.35, 348,246,069.75 and 86,593,917.53 is: 129,886,595.38
Step by Step Solution
- Step 1: Write the proportion equation
232,171,698.35 : 348,246,069.75 = 86,593,917.53 : x - Step 2: Convert to fraction form
232,171,698.35/348,246,069.75 = 86,593,917.53/x - Step 3: Cross multiply
232,171,698.35x = 348,246,069.75 × 86,593,917.53 - Step 4: Simplify right side
232,171,698.35x = 30,155,991,442,336,900 - Step 5: Solve for x
x = 30,155,991,442,336,900/232,171,698.35 - Step 6: Final answer
x = 129,886,595.38
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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.