Finding the Fourth Proportional to 122,567,257.31, 169,141,437.99 and 66,811,456.95
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Solution
The fourth proportional to 122,567,257.31, 169,141,437.99 and 66,811,456.95 is: 92,199,059.94
Step by Step Solution
- Step 1: Write the proportion equation
122,567,257.31 : 169,141,437.99 = 66,811,456.95 : x - Step 2: Convert to fraction form
122,567,257.31/169,141,437.99 = 66,811,456.95/x - Step 3: Cross multiply
122,567,257.31x = 169,141,437.99 × 66,811,456.95 - Step 4: Simplify right side
122,567,257.31x = 11,300,585,902,729,980 - Step 5: Solve for x
x = 11,300,585,902,729,980/122,567,257.31 - Step 6: Final answer
x = 92,199,059.94
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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.