Finding the Fourth Proportional to 122,898,312.19, 184,218,698.13 and 57,265,338.97
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Solution
The fourth proportional to 122,898,312.19, 184,218,698.13 and 57,265,338.97 is: 85,838,007.09
Step by Step Solution
- Step 1: Write the proportion equation
122,898,312.19 : 184,218,698.13 = 57,265,338.97 : x - Step 2: Convert to fraction form
122,898,312.19/184,218,698.13 = 57,265,338.97/x - Step 3: Cross multiply
122,898,312.19x = 184,218,698.13 × 57,265,338.97 - Step 4: Simplify right side
122,898,312.19x = 10,549,346,193,026,554 - Step 5: Solve for x
x = 10,549,346,193,026,554/122,898,312.19 - Step 6: Final answer
x = 85,838,007.09
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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.