Finding the Fourth Proportional to 247,913,513.82, 372,103,257.05 and 129,823,035.48
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Solution
The fourth proportional to 247,913,513.82, 372,103,257.05 and 129,823,035.48 is: 194,856,559.44
Step by Step Solution
- Step 1: Write the proportion equation
247,913,513.82 : 372,103,257.05 = 129,823,035.48 : x - Step 2: Convert to fraction form
247,913,513.82/372,103,257.05 = 129,823,035.48/x - Step 3: Cross multiply
247,913,513.82x = 372,103,257.05 × 129,823,035.48 - Step 4: Simplify right side
247,913,513.82x = 48,307,574,342,225,712 - Step 5: Solve for x
x = 48,307,574,342,225,712/247,913,513.82 - Step 6: Final answer
x = 194,856,559.44
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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.