Finding the Fourth Proportional to 104,826,893.80, 157,240,340.70 and 53,808,557.80
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Solution
The fourth proportional to 104,826,893.80, 157,240,340.70 and 53,808,557.80 is: 80,712,836.70
Step by Step Solution
- Step 1: Write the proportion equation
104,826,893.80 : 157,240,340.70 = 53,808,557.80 : x - Step 2: Convert to fraction form
104,826,893.80/157,240,340.70 = 53,808,557.80/x - Step 3: Cross multiply
104,826,893.80x = 157,240,340.70 × 53,808,557.80 - Step 4: Simplify right side
104,826,893.80x = 8,460,875,961,047,641 - Step 5: Solve for x
x = 8,460,875,961,047,641/104,826,893.80 - Step 6: Final answer
x = 80,712,836.70
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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.