Finding the Fourth Proportional to 186,669,754.17, 257,604,285.97 and 103,037,900.57
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Solution
The fourth proportional to 186,669,754.17, 257,604,285.97 and 103,037,900.57 is: 142,192,316.70
Step by Step Solution
- Step 1: Write the proportion equation
186,669,754.17 : 257,604,285.97 = 103,037,900.57 : x - Step 2: Convert to fraction form
186,669,754.17/257,604,285.97 = 103,037,900.57/x - Step 3: Cross multiply
186,669,754.17x = 257,604,285.97 × 103,037,900.57 - Step 4: Simplify right side
186,669,754.17x = 26,543,004,803,988,972 - Step 5: Solve for x
x = 26,543,004,803,988,972/186,669,754.17 - Step 6: Final answer
x = 142,192,316.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.