Finding the Fourth Proportional to 114,271,577.66, 157,704,502.70 and 64,720,766.05
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Solution
The fourth proportional to 114,271,577.66, 157,704,502.70 and 64,720,766.05 is: 89,320,165.46
Step by Step Solution
- Step 1: Write the proportion equation
114,271,577.66 : 157,704,502.70 = 64,720,766.05 : x - Step 2: Convert to fraction form
114,271,577.66/157,704,502.70 = 64,720,766.05/x - Step 3: Cross multiply
114,271,577.66x = 157,704,502.70 × 64,720,766.05 - Step 4: Simplify right side
114,271,577.66x = 10,206,756,224,278,292 - Step 5: Solve for x
x = 10,206,756,224,278,292/114,271,577.66 - Step 6: Final answer
x = 89,320,165.46
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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.