Finding the Fourth Proportional to 126,029,122.40, 189,185,401.20 and 97,402,167.20
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Solution
The fourth proportional to 126,029,122.40, 189,185,401.20 and 97,402,167.20 is: 146,212,777.88
Step by Step Solution
- Step 1: Write the proportion equation
126,029,122.40 : 189,185,401.20 = 97,402,167.20 : x - Step 2: Convert to fraction form
126,029,122.40/189,185,401.20 = 97,402,167.20/x - Step 3: Cross multiply
126,029,122.40x = 189,185,401.20 × 97,402,167.20 - Step 4: Simplify right side
126,029,122.40x = 18,427,068,079,481,480 - Step 5: Solve for x
x = 18,427,068,079,481,480/126,029,122.40 - Step 6: Final answer
x = 146,212,777.88
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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.