Finding the Fourth Proportional to 121,774,396.41, 182,688,461.91 and 35,519,553.81
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Solution
The fourth proportional to 121,774,396.41, 182,688,461.91 and 35,519,553.81 is: 53,287,167.46
Step by Step Solution
- Step 1: Write the proportion equation
121,774,396.41 : 182,688,461.91 = 35,519,553.81 : x - Step 2: Convert to fraction form
121,774,396.41/182,688,461.91 = 35,519,553.81/x - Step 3: Cross multiply
121,774,396.41x = 182,688,461.91 × 35,519,553.81 - Step 4: Simplify right side
121,774,396.41x = 6,489,012,653,278,381 - Step 5: Solve for x
x = 6,489,012,653,278,381/121,774,396.41 - Step 6: Final answer
x = 53,287,167.46
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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.