Finding the Fourth Proportional to 287,236,478.92, 430,915,248.06 and 93,132,758.44
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Solution
The fourth proportional to 287,236,478.92, 430,915,248.06 and 93,132,758.44 is: 139,718,763.64
Step by Step Solution
- Step 1: Write the proportion equation
287,236,478.92 : 430,915,248.06 = 93,132,758.44 : x - Step 2: Convert to fraction form
287,236,478.92/430,915,248.06 = 93,132,758.44/x - Step 3: Cross multiply
287,236,478.92x = 430,915,248.06 × 93,132,758.44 - Step 4: Simplify right side
287,236,478.92x = 40,132,325,705,684,656 - Step 5: Solve for x
x = 40,132,325,705,684,656/287,236,478.92 - Step 6: Final answer
x = 139,718,763.64
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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.