Finding the Fourth Proportional to 229,340,854.17, 343,884,376.94 and 91,026,342.81
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Solution
The fourth proportional to 229,340,854.17, 343,884,376.94 and 91,026,342.81 is: 136,489,145.36
Step by Step Solution
- Step 1: Write the proportion equation
229,340,854.17 : 343,884,376.94 = 91,026,342.81 : x - Step 2: Convert to fraction form
229,340,854.17/343,884,376.94 = 91,026,342.81/x - Step 3: Cross multiply
229,340,854.17x = 343,884,376.94 × 91,026,342.81 - Step 4: Simplify right side
229,340,854.17x = 31,302,537,181,888,568 - Step 5: Solve for x
x = 31,302,537,181,888,568/229,340,854.17 - Step 6: Final answer
x = 136,489,145.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.