Finding the Fourth Proportional to 69,857,865.92, 104,670,957.52 and 42,481,347.12
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Solution
The fourth proportional to 69,857,865.92, 104,670,957.52 and 42,481,347.12 is: 63,651,576.26
Step by Step Solution
- Step 1: Write the proportion equation
69,857,865.92 : 104,670,957.52 = 42,481,347.12 : x - Step 2: Convert to fraction form
69,857,865.92/104,670,957.52 = 42,481,347.12/x - Step 3: Cross multiply
69,857,865.92x = 104,670,957.52 × 42,481,347.12 - Step 4: Simplify right side
69,857,865.92x = 4,446,563,279,789,894 - Step 5: Solve for x
x = 4,446,563,279,789,894/69,857,865.92 - Step 6: Final answer
x = 63,651,576.26
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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.