Finding the Fourth Proportional to 293,221,105.20, 439,719,683.40 and 88,681,201.20
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Solution
The fourth proportional to 293,221,105.20, 439,719,683.40 and 88,681,201.20 is: 132,987,936.49
Step by Step Solution
- Step 1: Write the proportion equation
293,221,105.20 : 439,719,683.40 = 88,681,201.20 : x - Step 2: Convert to fraction form
293,221,105.20/439,719,683.40 = 88,681,201.20/x - Step 3: Cross multiply
293,221,105.20x = 439,719,683.40 × 88,681,201.20 - Step 4: Simplify right side
293,221,105.20x = 38,994,869,715,195,696 - Step 5: Solve for x
x = 38,994,869,715,195,696/293,221,105.20 - Step 6: Final answer
x = 132,987,936.49
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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.