Finding the Fourth Proportional to 87,128,316.23, 130,610,310.08 and 43,367,701.18
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Solution
The fourth proportional to 87,128,316.23, 130,610,310.08 and 43,367,701.18 is: 65,010,654.90
Step by Step Solution
- Step 1: Write the proportion equation
87,128,316.23 : 130,610,310.08 = 43,367,701.18 : x - Step 2: Convert to fraction form
87,128,316.23/130,610,310.08 = 43,367,701.18/x - Step 3: Cross multiply
87,128,316.23x = 130,610,310.08 × 43,367,701.18 - Step 4: Simplify right side
87,128,316.23x = 5,664,268,898,523,029 - Step 5: Solve for x
x = 5,664,268,898,523,029/87,128,316.23 - Step 6: Final answer
x = 65,010,654.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.