Finding the Fourth Proportional to 291,353,694.63, 402,056,134.26 and 159,199,227.80
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Solution
The fourth proportional to 291,353,694.63, 402,056,134.26 and 159,199,227.80 is: 219,688,396.90
Step by Step Solution
- Step 1: Write the proportion equation
291,353,694.63 : 402,056,134.26 = 159,199,227.80 : x - Step 2: Convert to fraction form
291,353,694.63/402,056,134.26 = 159,199,227.80/x - Step 3: Cross multiply
291,353,694.63x = 402,056,134.26 × 159,199,227.80 - Step 4: Simplify right side
291,353,694.63x = 64,007,026,104,434,840 - Step 5: Solve for x
x = 64,007,026,104,434,840/291,353,694.63 - Step 6: Final answer
x = 219,688,396.90
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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.