Finding the Fourth Proportional to 86,987,252.70, 130,522,869.45 and 61,373,108.70
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Solution
The fourth proportional to 86,987,252.70, 130,522,869.45 and 61,373,108.70 is: 92,089,289.02
Step by Step Solution
- Step 1: Write the proportion equation
86,987,252.70 : 130,522,869.45 = 61,373,108.70 : x - Step 2: Convert to fraction form
86,987,252.70/130,522,869.45 = 61,373,108.70/x - Step 3: Cross multiply
86,987,252.70x = 130,522,869.45 × 61,373,108.70 - Step 4: Simplify right side
86,987,252.70x = 8,010,594,254,590,760 - Step 5: Solve for x
x = 8,010,594,254,590,760/86,987,252.70 - Step 6: Final answer
x = 92,089,289.02
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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.