Finding the Fourth Proportional to 156,149,884.08, 215,487,401.04 and 86,536,449.36
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Solution
The fourth proportional to 156,149,884.08, 215,487,401.04 and 86,536,449.36 is: 119,420,611.02
Step by Step Solution
- Step 1: Write the proportion equation
156,149,884.08 : 215,487,401.04 = 86,536,449.36 : x - Step 2: Convert to fraction form
156,149,884.08/215,487,401.04 = 86,536,449.36/x - Step 3: Cross multiply
156,149,884.08x = 215,487,401.04 × 86,536,449.36 - Step 4: Simplify right side
156,149,884.08x = 18,647,514,567,815,972 - Step 5: Solve for x
x = 18,647,514,567,815,972/156,149,884.08 - Step 6: Final answer
x = 119,420,611.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.