Finding the Fourth Proportional to 361,663,722.72, 542,444,505.12 and 115,988,433.12
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Solution
The fourth proportional to 361,663,722.72, 542,444,505.12 and 115,988,433.12 is: 173,966,268.25
Step by Step Solution
- Step 1: Write the proportion equation
361,663,722.72 : 542,444,505.12 = 115,988,433.12 : x - Step 2: Convert to fraction form
361,663,722.72/542,444,505.12 = 115,988,433.12/x - Step 3: Cross multiply
361,663,722.72x = 542,444,505.12 × 115,988,433.12 - Step 4: Simplify right side
361,663,722.72x = 62,917,288,203,422,624 - Step 5: Solve for x
x = 62,917,288,203,422,624/361,663,722.72 - Step 6: Final answer
x = 173,966,268.25
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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.