Finding the Fourth Proportional to 121,035,011.04, 167,027,523.93 and 68,824,050.48
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Solution
The fourth proportional to 121,035,011.04, 167,027,523.93 and 68,824,050.48 is: 94,976,739.70
Step by Step Solution
- Step 1: Write the proportion equation
121,035,011.04 : 167,027,523.93 = 68,824,050.48 : x - Step 2: Convert to fraction form
121,035,011.04/167,027,523.93 = 68,824,050.48/x - Step 3: Cross multiply
121,035,011.04x = 167,027,523.93 × 68,824,050.48 - Step 4: Simplify right side
121,035,011.04x = 11,495,510,738,507,730 - Step 5: Solve for x
x = 11,495,510,738,507,730/121,035,011.04 - Step 6: Final answer
x = 94,976,739.70
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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.