Finding the Fourth Proportional to 79,641,957.16, 119,487,739.02 and 28,524,418.84
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Solution
The fourth proportional to 79,641,957.16, 119,487,739.02 and 28,524,418.84 is: 42,795,511.76
Step by Step Solution
- Step 1: Write the proportion equation
79,641,957.16 : 119,487,739.02 = 28,524,418.84 : x - Step 2: Convert to fraction form
79,641,957.16/119,487,739.02 = 28,524,418.84/x - Step 3: Cross multiply
79,641,957.16x = 119,487,739.02 × 28,524,418.84 - Step 4: Simplify right side
79,641,957.16x = 3,408,318,314,051,091 - Step 5: Solve for x
x = 3,408,318,314,051,091/79,641,957.16 - Step 6: Final answer
x = 42,795,511.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.