Finding the Fourth Proportional to 159,006,157.20, 219,427,176.96 and 89,391,847.68
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Solution
The fourth proportional to 159,006,157.20, 219,427,176.96 and 89,391,847.68 is: 123,360,007.72
Step by Step Solution
- Step 1: Write the proportion equation
159,006,157.20 : 219,427,176.96 = 89,391,847.68 : x - Step 2: Convert to fraction form
159,006,157.20/219,427,176.96 = 89,391,847.68/x - Step 3: Cross multiply
159,006,157.20x = 219,427,176.96 × 89,391,847.68 - Step 4: Simplify right side
159,006,157.20x = 19,615,000,779,660,728 - Step 5: Solve for x
x = 19,615,000,779,660,728/159,006,157.20 - Step 6: Final answer
x = 123,360,007.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.