Finding the Fourth Proportional to 247,942,402.08, 371,913,601.36 and 90,387,232.48
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Solution
The fourth proportional to 247,942,402.08, 371,913,601.36 and 90,387,232.48 is: 135,580,848.08
Step by Step Solution
- Step 1: Write the proportion equation
247,942,402.08 : 371,913,601.36 = 90,387,232.48 : x - Step 2: Convert to fraction form
247,942,402.08/371,913,601.36 = 90,387,232.48/x - Step 3: Cross multiply
247,942,402.08x = 371,913,601.36 × 90,387,232.48 - Step 4: Simplify right side
247,942,402.08x = 33,616,241,148,600,368 - Step 5: Solve for x
x = 33,616,241,148,600,368/247,942,402.08 - Step 6: Final answer
x = 135,580,848.08
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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.