Finding the Fourth Proportional to 215,803,486.93, 297,796,584.44 and 121,712,010.11
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Solution
The fourth proportional to 215,803,486.93, 297,796,584.44 and 121,712,010.11 is: 167,955,677.69
Step by Step Solution
- Step 1: Write the proportion equation
215,803,486.93 : 297,796,584.44 = 121,712,010.11 : x - Step 2: Convert to fraction form
215,803,486.93/297,796,584.44 = 121,712,010.11/x - Step 3: Cross multiply
215,803,486.93x = 297,796,584.44 × 121,712,010.11 - Step 4: Simplify right side
215,803,486.93x = 36,245,420,896,016,784 - Step 5: Solve for x
x = 36,245,420,896,016,784/215,803,486.93 - Step 6: Final answer
x = 167,955,677.69
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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.