Finding the Fourth Proportional to 77,278,798.88, 106,642,487.76 and 44,237,952.80
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Solution
The fourth proportional to 77,278,798.88, 106,642,487.76 and 44,237,952.80 is: 61,047,084.17
Step by Step Solution
- Step 1: Write the proportion equation
77,278,798.88 : 106,642,487.76 = 44,237,952.80 : x - Step 2: Convert to fraction form
77,278,798.88/106,642,487.76 = 44,237,952.80/x - Step 3: Cross multiply
77,278,798.88x = 106,642,487.76 × 44,237,952.80 - Step 4: Simplify right side
77,278,798.88x = 4,717,645,340,001,458 - Step 5: Solve for x
x = 4,717,645,340,001,458/77,278,798.88 - Step 6: Final answer
x = 61,047,084.17
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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.