Finding the Fourth Proportional to 122,472,023.40, 183,708,035.10 and 113,118,661.80
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Solution
The fourth proportional to 122,472,023.40, 183,708,035.10 and 113,118,661.80 is: 169,677,992.70
Step by Step Solution
- Step 1: Write the proportion equation
122,472,023.40 : 183,708,035.10 = 113,118,661.80 : x - Step 2: Convert to fraction form
122,472,023.40/183,708,035.10 = 113,118,661.80/x - Step 3: Cross multiply
122,472,023.40x = 183,708,035.10 × 113,118,661.80 - Step 4: Simplify right side
122,472,023.40x = 20,780,807,092,419,428 - Step 5: Solve for x
x = 20,780,807,092,419,428/122,472,023.40 - Step 6: Final answer
x = 169,677,992.70
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1.5x scale
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.