Finding the Fourth Proportional to 135,440,052.42, 186,895,862.28 and 75,090,660.81
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Solution
The fourth proportional to 135,440,052.42, 186,895,862.28 and 75,090,660.81 is: 103,618,785.95
Step by Step Solution
- Step 1: Write the proportion equation
135,440,052.42 : 186,895,862.28 = 75,090,660.81 : x - Step 2: Convert to fraction form
135,440,052.42/186,895,862.28 = 75,090,660.81/x - Step 3: Cross multiply
135,440,052.42x = 186,895,862.28 × 75,090,660.81 - Step 4: Simplify right side
135,440,052.42x = 14,034,133,801,259,954 - Step 5: Solve for x
x = 14,034,133,801,259,954/135,440,052.42 - Step 6: Final answer
x = 103,618,785.95
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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.