Finding the Fourth Proportional to 86,985,276.10, 130,577,446.95 and 51,103,701.70
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Solution
The fourth proportional to 86,985,276.10, 130,577,446.95 and 51,103,701.70 is: 76,714,027.90
Step by Step Solution
- Step 1: Write the proportion equation
86,985,276.10 : 130,577,446.95 = 51,103,701.70 : x - Step 2: Convert to fraction form
86,985,276.10/130,577,446.95 = 51,103,701.70/x - Step 3: Cross multiply
86,985,276.10x = 130,577,446.95 × 51,103,701.70 - Step 4: Simplify right side
86,985,276.10x = 6,672,990,897,680,375 - Step 5: Solve for x
x = 6,672,990,897,680,375/86,985,276.10 - Step 6: Final answer
x = 76,714,027.90
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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.