Finding the Fourth Proportional to 77,319,076.38, 106,693,968.66 and 45,524,191.74
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Solution
The fourth proportional to 77,319,076.38, 106,693,968.66 and 45,524,191.74 is: 62,819,641.86
Step by Step Solution
- Step 1: Write the proportion equation
77,319,076.38 : 106,693,968.66 = 45,524,191.74 : x - Step 2: Convert to fraction form
77,319,076.38/106,693,968.66 = 45,524,191.74/x - Step 3: Cross multiply
77,319,076.38x = 106,693,968.66 × 45,524,191.74 - Step 4: Simplify right side
77,319,076.38x = 4,857,156,686,779,391 - Step 5: Solve for x
x = 4,857,156,686,779,391/77,319,076.38 - Step 6: Final answer
x = 62,819,641.86
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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.