Finding the Fourth Proportional to 45,465,272.93, 68,241,024.92 and 28,141,069.68
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Solution
The fourth proportional to 45,465,272.93, 68,241,024.92 and 28,141,069.68 is: 42,238,291.19
Step by Step Solution
- Step 1: Write the proportion equation
45,465,272.93 : 68,241,024.92 = 28,141,069.68 : x - Step 2: Convert to fraction form
45,465,272.93/68,241,024.92 = 28,141,069.68/x - Step 3: Cross multiply
45,465,272.93x = 68,241,024.92 × 28,141,069.68 - Step 4: Simplify right side
45,465,272.93x = 1,920,375,437,378,689 - Step 5: Solve for x
x = 1,920,375,437,378,689/45,465,272.93 - Step 6: Final answer
x = 42,238,291.19
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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.