Finding the Fourth Proportional to 126,118,877.40, 189,087,522.12 and 77,496,270.12
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Solution
The fourth proportional to 126,118,877.40, 189,087,522.12 and 77,496,270.12 is: 116,188,615.00
Step by Step Solution
- Step 1: Write the proportion equation
126,118,877.40 : 189,087,522.12 = 77,496,270.12 : x - Step 2: Convert to fraction form
126,118,877.40/189,087,522.12 = 77,496,270.12/x - Step 3: Cross multiply
126,118,877.40x = 189,087,522.12 × 77,496,270.12 - Step 4: Simplify right side
126,118,877.40x = 14,653,577,690,532,996 - Step 5: Solve for x
x = 14,653,577,690,532,996/126,118,877.40 - Step 6: Final answer
x = 116,188,615.00
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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.