Finding the Fourth Proportional to 156,712,330.80, 235,068,496.20 and 113,714,161.20
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Solution
The fourth proportional to 156,712,330.80, 235,068,496.20 and 113,714,161.20 is: 170,571,241.80
Step by Step Solution
- Step 1: Write the proportion equation
156,712,330.80 : 235,068,496.20 = 113,714,161.20 : x - Step 2: Convert to fraction form
156,712,330.80/235,068,496.20 = 113,714,161.20/x - Step 3: Cross multiply
156,712,330.80x = 235,068,496.20 × 113,714,161.20 - Step 4: Simplify right side
156,712,330.80x = 26,730,616,869,928,388 - Step 5: Solve for x
x = 26,730,616,869,928,388/156,712,330.80 - Step 6: Final answer
x = 170,571,241.80
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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.