Finding the Fourth Proportional to 122,357,370.44, 168,856,651.98 and 66,606,386.28
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Solution
The fourth proportional to 122,357,370.44, 168,856,651.98 and 66,606,386.28 is: 91,918,707.86
Step by Step Solution
- Step 1: Write the proportion equation
122,357,370.44 : 168,856,651.98 = 66,606,386.28 : x - Step 2: Convert to fraction form
122,357,370.44/168,856,651.98 = 66,606,386.28/x - Step 3: Cross multiply
122,357,370.44x = 168,856,651.98 × 66,606,386.28 - Step 4: Simplify right side
122,357,370.44x = 11,246,931,387,727,406 - Step 5: Solve for x
x = 11,246,931,387,727,406/122,357,370.44 - Step 6: Final answer
x = 91,918,707.86
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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.