Finding the Fourth Proportional to 92,946,364.96, 128,292,995.20 and 62,006,457.92
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Solution
The fourth proportional to 92,946,364.96, 128,292,995.20 and 62,006,457.92 is: 85,586,931.90
Step by Step Solution
- Step 1: Write the proportion equation
92,946,364.96 : 128,292,995.20 = 62,006,457.92 : x - Step 2: Convert to fraction form
92,946,364.96/128,292,995.20 = 62,006,457.92/x - Step 3: Cross multiply
92,946,364.96x = 128,292,995.20 × 62,006,457.92 - Step 4: Simplify right side
92,946,364.96x = 7,954,994,208,299,562 - Step 5: Solve for x
x = 7,954,994,208,299,562/92,946,364.96 - Step 6: Final answer
x = 85,586,931.90
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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.