Finding the Fourth Proportional to 75,081,936, 103,613,071.68 and 40,743,120
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Solution
The fourth proportional to 75,081,936, 103,613,071.68 and 40,743,120 is: 56,225,505.60
Step by Step Solution
- Step 1: Write the proportion equation
75,081,936 : 103,613,071.68 = 40,743,120 : x - Step 2: Convert to fraction form
75,081,936/103,613,071.68 = 40,743,120/x - Step 3: Cross multiply
75,081,936x = 103,613,071.68 × 40,743,120 - Step 4: Simplify right side
75,081,936x = 4,221,519,813,026,842 - Step 5: Solve for x
x = 4,221,519,813,026,842/75,081,936 - Step 6: Final answer
x = 56,225,505.60
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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.