Finding the Fourth Proportional to 142,948,489.68, 214,341,380.28 and 97,565,265.36
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Solution
The fourth proportional to 142,948,489.68, 214,341,380.28 and 97,565,265.36 is: 146,292,372.11
Step by Step Solution
- Step 1: Write the proportion equation
142,948,489.68 : 214,341,380.28 = 97,565,265.36 : x - Step 2: Convert to fraction form
142,948,489.68/214,341,380.28 = 97,565,265.36/x - Step 3: Cross multiply
142,948,489.68x = 214,341,380.28 × 97,565,265.36 - Step 4: Simplify right side
142,948,489.68x = 20,912,273,644,646,872 - Step 5: Solve for x
x = 20,912,273,644,646,872/142,948,489.68 - Step 6: Final answer
x = 146,292,372.11
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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.