Finding the Fourth Proportional to 92,943,932.48, 128,266,165.68 and 51,693,807.68
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Solution
The fourth proportional to 92,943,932.48, 128,266,165.68 and 51,693,807.68 is: 71,339,422.85
Step by Step Solution
- Step 1: Write the proportion equation
92,943,932.48 : 128,266,165.68 = 51,693,807.68 : x - Step 2: Convert to fraction form
92,943,932.48/128,266,165.68 = 51,693,807.68/x - Step 3: Cross multiply
92,943,932.48x = 128,266,165.68 × 51,693,807.68 - Step 4: Simplify right side
92,943,932.48x = 6,630,566,500,512,937 - Step 5: Solve for x
x = 6,630,566,500,512,937/92,943,932.48 - Step 6: Final answer
x = 71,339,422.85
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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.