Finding the Fourth Proportional to 199,724,069.14, 299,574,146.49 and 83,109,972.94
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Solution
The fourth proportional to 199,724,069.14, 299,574,146.49 and 83,109,972.94 is: 124,659,983.72
Step by Step Solution
- Step 1: Write the proportion equation
199,724,069.14 : 299,574,146.49 = 83,109,972.94 : x - Step 2: Convert to fraction form
199,724,069.14/299,574,146.49 = 83,109,972.94/x - Step 3: Cross multiply
199,724,069.14x = 299,574,146.49 × 83,109,972.94 - Step 4: Simplify right side
199,724,069.14x = 24,897,599,207,246,896 - Step 5: Solve for x
x = 24,897,599,207,246,896/199,724,069.14 - Step 6: Final answer
x = 124,659,983.72
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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.