Finding the Fourth Proportional to 92,875,585,594.15, 128,166,299,247.62 and 53,769,782,700.58
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Solution
The fourth proportional to 92,875,585,594.15, 128,166,299,247.62 and 53,769,782,700.58 is: 74,201,137,101.80
Step by Step Solution
- Step 1: Write the proportion equation
92,875,585,594.15 : 128,166,299,247.62 = 53,769,782,700.58 : x - Step 2: Convert to fraction form
92,875,585,594.15/128,166,299,247.62 = 53,769,782,700.58/x - Step 3: Cross multiply
92,875,585,594.15x = 128,166,299,247.62 × 53,769,782,700.58 - Step 4: Simplify right side
92,875,585,594.15x = 6,891,474,060,081,395,400,704 - Step 5: Solve for x
x = 6,891,474,060,081,395,400,704/92,875,585,594.15 - Step 6: Final answer
x = 74,201,137,101.80
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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.