Finding the Fourth Proportional to 77,191,072.38, 106,527,154.68 and 46,250,577.36
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Solution
The fourth proportional to 77,191,072.38, 106,527,154.68 and 46,250,577.36 is: 63,827,878.75
Step by Step Solution
- Step 1: Write the proportion equation
77,191,072.38 : 106,527,154.68 = 46,250,577.36 : x - Step 2: Convert to fraction form
77,191,072.38/106,527,154.68 = 46,250,577.36/x - Step 3: Cross multiply
77,191,072.38x = 106,527,154.68 × 46,250,577.36 - Step 4: Simplify right side
77,191,072.38x = 4,926,942,408,468,026 - Step 5: Solve for x
x = 4,926,942,408,468,026/77,191,072.38 - Step 6: Final answer
x = 63,827,878.75
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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.