Finding the Fourth Proportional to 107,548,823.80, 161,323,235.70 and 88,653,143.80
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Solution
The fourth proportional to 107,548,823.80, 161,323,235.70 and 88,653,143.80 is: 132,979,715.70
Step by Step Solution
- Step 1: Write the proportion equation
107,548,823.80 : 161,323,235.70 = 88,653,143.80 : x - Step 2: Convert to fraction form
107,548,823.80/161,323,235.70 = 88,653,143.80/x - Step 3: Cross multiply
107,548,823.80x = 161,323,235.70 × 88,653,143.80 - Step 4: Simplify right side
107,548,823.80x = 14,301,812,012,793,392 - Step 5: Solve for x
x = 14,301,812,012,793,392/107,548,823.80 - Step 6: Final answer
x = 132,979,715.70
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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.