Finding the Fourth Proportional to 97,089,116.70, 145,535,697.45 and 48,492,227.10
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Solution
The fourth proportional to 97,089,116.70, 145,535,697.45 and 48,492,227.10 is: 72,689,404.66
Step by Step Solution
- Step 1: Write the proportion equation
97,089,116.70 : 145,535,697.45 = 48,492,227.10 : x - Step 2: Convert to fraction form
97,089,116.70/145,535,697.45 = 48,492,227.10/x - Step 3: Cross multiply
97,089,116.70x = 145,535,697.45 × 48,492,227.10 - Step 4: Simplify right side
97,089,116.70x = 7,057,350,091,902,291 - Step 5: Solve for x
x = 7,057,350,091,902,291/97,089,116.70 - Step 6: Final answer
x = 72,689,404.66
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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.