Finding the Fourth Proportional to 72,440,665.10, 99,959,044.35 and 48,970,268.75
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Solution
The fourth proportional to 72,440,665.10, 99,959,044.35 and 48,970,268.75 is: 67,572,837.14
Step by Step Solution
- Step 1: Write the proportion equation
72,440,665.10 : 99,959,044.35 = 48,970,268.75 : x - Step 2: Convert to fraction form
72,440,665.10/99,959,044.35 = 48,970,268.75/x - Step 3: Cross multiply
72,440,665.10x = 99,959,044.35 × 48,970,268.75 - Step 4: Simplify right side
72,440,665.10x = 4,895,021,265,068,022 - Step 5: Solve for x
x = 4,895,021,265,068,022/72,440,665.10 - Step 6: Final answer
x = 67,572,837.14
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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.