Finding the Fourth Proportional to 192,018,944.68, 264,986,812.74 and 103,912,920.28
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Solution
The fourth proportional to 192,018,944.68, 264,986,812.74 and 103,912,920.28 is: 143,400,192.07
Step by Step Solution
- Step 1: Write the proportion equation
192,018,944.68 : 264,986,812.74 = 103,912,920.28 : x - Step 2: Convert to fraction form
192,018,944.68/264,986,812.74 = 103,912,920.28/x - Step 3: Cross multiply
192,018,944.68x = 264,986,812.74 × 103,912,920.28 - Step 4: Simplify right side
192,018,944.68x = 27,535,553,547,502,908 - Step 5: Solve for x
x = 27,535,553,547,502,908/192,018,944.68 - Step 6: Final answer
x = 143,400,192.07
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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.