Finding the Fourth Proportional to 107,768,065.91, 161,754,297.96 and 66,703,288.14
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Solution
The fourth proportional to 107,768,065.91, 161,754,297.96 and 66,703,288.14 is: 100,118,188.58
Step by Step Solution
- Step 1: Write the proportion equation
107,768,065.91 : 161,754,297.96 = 66,703,288.14 : x - Step 2: Convert to fraction form
107,768,065.91/161,754,297.96 = 66,703,288.14/x - Step 3: Cross multiply
107,768,065.91x = 161,754,297.96 × 66,703,288.14 - Step 4: Simplify right side
107,768,065.91x = 10,789,543,544,709,294 - Step 5: Solve for x
x = 10,789,543,544,709,294/107,768,065.91 - Step 6: Final answer
x = 100,118,188.58
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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.