Finding the Fourth Proportional to 155,358,727.20, 232,843,227.60 and 82,395,420.96
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Solution
The fourth proportional to 155,358,727.20, 232,843,227.60 and 82,395,420.96 is: 123,489,784.59
Step by Step Solution
- Step 1: Write the proportion equation
155,358,727.20 : 232,843,227.60 = 82,395,420.96 : x - Step 2: Convert to fraction form
155,358,727.20/232,843,227.60 = 82,395,420.96/x - Step 3: Cross multiply
155,358,727.20x = 232,843,227.60 × 82,395,420.96 - Step 4: Simplify right side
155,358,727.20x = 19,185,215,755,787,088 - Step 5: Solve for x
x = 19,185,215,755,787,088/155,358,727.20 - Step 6: Final answer
x = 123,489,784.59
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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.