Finding the Fourth Proportional to 168,756,234.30, 254,399,214.15 and 157,506,915.96
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Solution
The fourth proportional to 168,756,234.30, 254,399,214.15 and 157,506,915.96 is: 237,440,920.68
Step by Step Solution
- Step 1: Write the proportion equation
168,756,234.30 : 254,399,214.15 = 157,506,915.96 : x - Step 2: Convert to fraction form
168,756,234.30/254,399,214.15 = 157,506,915.96/x - Step 3: Cross multiply
168,756,234.30x = 254,399,214.15 × 157,506,915.96 - Step 4: Simplify right side
168,756,234.30x = 40,069,635,643,414,096 - Step 5: Solve for x
x = 40,069,635,643,414,096/168,756,234.30 - Step 6: Final answer
x = 237,440,920.68
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.