Finding the Fourth Proportional to 97,024,461.20, 145,536,691.80 and 87,458,523.20
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Solution
The fourth proportional to 97,024,461.20, 145,536,691.80 and 87,458,523.20 is: 131,187,784.80
Step by Step Solution
- Step 1: Write the proportion equation
97,024,461.20 : 145,536,691.80 = 87,458,523.20 : x - Step 2: Convert to fraction form
97,024,461.20/145,536,691.80 = 87,458,523.20/x - Step 3: Cross multiply
97,024,461.20x = 145,536,691.80 × 87,458,523.20 - Step 4: Simplify right side
97,024,461.20x = 12,728,424,136,241,552 - Step 5: Solve for x
x = 12,728,424,136,241,552/97,024,461.20 - Step 6: Final answer
x = 131,187,784.80
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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.