Finding the Fourth Proportional to 136,328,832,118.80, 204,493,248,178.20 and 103,268,950,390.80
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Solution
The fourth proportional to 136,328,832,118.80, 204,493,248,178.20 and 103,268,950,390.80 is: 154,903,425,586.20
Step by Step Solution
- Step 1: Write the proportion equation
136,328,832,118.80 : 204,493,248,178.20 = 103,268,950,390.80 : x - Step 2: Convert to fraction form
136,328,832,118.80/204,493,248,178.20 = 103,268,950,390.80/x - Step 3: Cross multiply
136,328,832,118.80x = 204,493,248,178.20 × 103,268,950,390.80 - Step 4: Simplify right side
136,328,832,118.80x = 21,117,803,101,368,090,624,000 - Step 5: Solve for x
x = 21,117,803,101,368,090,624,000/136,328,832,118.80 - Step 6: Final answer
x = 154,903,425,586.20
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1.5x scale
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.