Finding the Fourth Proportional to 67,708,486.44, 93,437,419.14 and 36,768,400.68
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Solution
The fourth proportional to 67,708,486.44, 93,437,419.14 and 36,768,400.68 is: 50,740,234.29
Step by Step Solution
- Step 1: Write the proportion equation
67,708,486.44 : 93,437,419.14 = 36,768,400.68 : x - Step 2: Convert to fraction form
67,708,486.44/93,437,419.14 = 36,768,400.68/x - Step 3: Cross multiply
67,708,486.44x = 93,437,419.14 × 36,768,400.68 - Step 4: Simplify right side
67,708,486.44x = 3,435,544,465,444,621 - Step 5: Solve for x
x = 3,435,544,465,444,621/67,708,486.44 - Step 6: Final answer
x = 50,740,234.29
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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.