Finding the Fourth Proportional to 122,873,349.11, 169,565,799.20 and 67,119,541.70
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Solution
The fourth proportional to 122,873,349.11, 169,565,799.20 and 67,119,541.70 is: 92,625,282.96
Step by Step Solution
- Step 1: Write the proportion equation
122,873,349.11 : 169,565,799.20 = 67,119,541.70 : x - Step 2: Convert to fraction form
122,873,349.11/169,565,799.20 = 67,119,541.70/x - Step 3: Cross multiply
122,873,349.11x = 169,565,799.20 × 67,119,541.70 - Step 4: Simplify right side
122,873,349.11x = 11,381,178,729,114,798 - Step 5: Solve for x
x = 11,381,178,729,114,798/122,873,349.11 - Step 6: Final answer
x = 92,625,282.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.