Finding the Fourth Proportional to 111,378,772,858.08, 153,702,723,125.52 and 60,630,100,783.68
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Solution
The fourth proportional to 111,378,772,858.08, 153,702,723,125.52 and 60,630,100,783.68 is: 83,669,548,107.71
Step by Step Solution
- Step 1: Write the proportion equation
111,378,772,858.08 : 153,702,723,125.52 = 60,630,100,783.68 : x - Step 2: Convert to fraction form
111,378,772,858.08/153,702,723,125.52 = 60,630,100,783.68/x - Step 3: Cross multiply
111,378,772,858.08x = 153,702,723,125.52 × 60,630,100,783.68 - Step 4: Simplify right side
111,378,772,858.08x = 9,319,011,593,826,339,913,728 - Step 5: Solve for x
x = 9,319,011,593,826,339,913,728/111,378,772,858.08 - Step 6: Final answer
x = 83,669,548,107.71
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1.5x scale
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.