Finding the Fourth Proportional to 77,250,189.94, 106,603,547.65 and 41,967,083.23
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Solution
The fourth proportional to 77,250,189.94, 106,603,547.65 and 41,967,083.23 is: 57,913,643.45
Step by Step Solution
- Step 1: Write the proportion equation
77,250,189.94 : 106,603,547.65 = 41,967,083.23 : x - Step 2: Convert to fraction form
77,250,189.94/106,603,547.65 = 41,967,083.23/x - Step 3: Cross multiply
77,250,189.94x = 106,603,547.65 × 41,967,083.23 - Step 4: Simplify right side
77,250,189.94x = 4,473,839,956,840,821 - Step 5: Solve for x
x = 4,473,839,956,840,821/77,250,189.94 - Step 6: Final answer
x = 57,913,643.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.