Finding the Fourth Proportional to 159,784,727.76, 220,490,365.68 and 97,896,651.84
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Solution
The fourth proportional to 159,784,727.76, 220,490,365.68 and 97,896,651.84 is: 135,089,685.14
Step by Step Solution
- Step 1: Write the proportion equation
159,784,727.76 : 220,490,365.68 = 97,896,651.84 : x - Step 2: Convert to fraction form
159,784,727.76/220,490,365.68 = 97,896,651.84/x - Step 3: Cross multiply
159,784,727.76x = 220,490,365.68 × 97,896,651.84 - Step 4: Simplify right side
159,784,727.76x = 21,585,268,563,049,248 - Step 5: Solve for x
x = 21,585,268,563,049,248/159,784,727.76 - Step 6: Final answer
x = 135,089,685.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.