Finding the Fourth Proportional to 155,216,252.40, 232,735,805.10 and 58,175,125.80
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Solution
The fourth proportional to 155,216,252.40, 232,735,805.10 and 58,175,125.80 is: 87,229,491.31
Step by Step Solution
- Step 1: Write the proportion equation
155,216,252.40 : 232,735,805.10 = 58,175,125.80 : x - Step 2: Convert to fraction form
155,216,252.40/232,735,805.10 = 58,175,125.80/x - Step 3: Cross multiply
155,216,252.40x = 232,735,805.10 × 58,175,125.80 - Step 4: Simplify right side
155,216,252.40x = 13,539,434,739,856,780 - Step 5: Solve for x
x = 13,539,434,739,856,780/155,216,252.40 - Step 6: Final answer
x = 87,229,491.31
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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.