Finding the Fourth Proportional to 77,213,079.70, 115,819,553.67 and 19,705,346.26
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Solution
The fourth proportional to 77,213,079.70, 115,819,553.67 and 19,705,346.26 is: 29,558,002.58
Step by Step Solution
- Step 1: Write the proportion equation
77,213,079.70 : 115,819,553.67 = 19,705,346.26 : x - Step 2: Convert to fraction form
77,213,079.70/115,819,553.67 = 19,705,346.26/x - Step 3: Cross multiply
77,213,079.70x = 115,819,553.67 × 19,705,346.26 - Step 4: Simplify right side
77,213,079.70x = 2,282,264,408,746,004 - Step 5: Solve for x
x = 2,282,264,408,746,004/77,213,079.70 - Step 6: Final answer
x = 29,558,002.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.