Finding the Fourth Proportional to 68,471,215.83, 102,706,817.49 and 30,132,729.93
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Solution
The fourth proportional to 68,471,215.83, 102,706,817.49 and 30,132,729.93 is: 45,199,092.14
Step by Step Solution
- Step 1: Write the proportion equation
68,471,215.83 : 102,706,817.49 = 30,132,729.93 : x - Step 2: Convert to fraction form
68,471,215.83/102,706,817.49 = 30,132,729.93/x - Step 3: Cross multiply
68,471,215.83x = 102,706,817.49 × 30,132,729.93 - Step 4: Simplify right side
68,471,215.83x = 3,094,836,793,395,970.50 - Step 5: Solve for x
x = 3,094,836,793,395,970.50/68,471,215.83 - Step 6: Final answer
x = 45,199,092.14
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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.