Finding the Fourth Proportional to 78,940,355.12, 118,418,652.96 and 29,797,602.24
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Solution
The fourth proportional to 78,940,355.12, 118,418,652.96 and 29,797,602.24 is: 44,699,468.52
Step by Step Solution
- Step 1: Write the proportion equation
78,940,355.12 : 118,418,652.96 = 29,797,602.24 : x - Step 2: Convert to fraction form
78,940,355.12/118,418,652.96 = 29,797,602.24/x - Step 3: Cross multiply
78,940,355.12x = 118,418,652.96 × 29,797,602.24 - Step 4: Simplify right side
78,940,355.12x = 3,528,591,918,698,678 - Step 5: Solve for x
x = 3,528,591,918,698,678/78,940,355.12 - Step 6: Final answer
x = 44,699,468.52
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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.