Finding the Fourth Proportional to 77,264,927.10, 115,897,390.65 and 19,761,698.70
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Solution
The fourth proportional to 77,264,927.10, 115,897,390.65 and 19,761,698.70 is: 29,642,548.05
Step by Step Solution
- Step 1: Write the proportion equation
77,264,927.10 : 115,897,390.65 = 19,761,698.70 : x - Step 2: Convert to fraction form
77,264,927.10/115,897,390.65 = 19,761,698.70/x - Step 3: Cross multiply
77,264,927.10x = 115,897,390.65 × 19,761,698.70 - Step 4: Simplify right side
77,264,927.10x = 2,290,329,314,141,497 - Step 5: Solve for x
x = 2,290,329,314,141,497/77,264,927.10 - Step 6: Final answer
x = 29,642,548.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.