Finding the Fourth Proportional to 122,485,124.46, 169,028,962.01 and 66,730,371.31
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Solution
The fourth proportional to 122,485,124.46, 169,028,962.01 and 66,730,371.31 is: 92,087,634.70
Step by Step Solution
- Step 1: Write the proportion equation
122,485,124.46 : 169,028,962.01 = 66,730,371.31 : x - Step 2: Convert to fraction form
122,485,124.46/169,028,962.01 = 66,730,371.31/x - Step 3: Cross multiply
122,485,124.46x = 169,028,962.01 × 66,730,371.31 - Step 4: Simplify right side
122,485,124.46x = 11,279,365,397,199,056 - Step 5: Solve for x
x = 11,279,365,397,199,056/122,485,124.46 - Step 6: Final answer
x = 92,087,634.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.