Finding the Fourth Proportional to 78,732,246.70, 118,098,370.05 and 27,595,812.70
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Solution
The fourth proportional to 78,732,246.70, 118,098,370.05 and 27,595,812.70 is: 41,393,719.05
Step by Step Solution
- Step 1: Write the proportion equation
78,732,246.70 : 118,098,370.05 = 27,595,812.70 : x - Step 2: Convert to fraction form
78,732,246.70/118,098,370.05 = 27,595,812.70/x - Step 3: Cross multiply
78,732,246.70x = 118,098,370.05 × 27,595,812.70 - Step 4: Simplify right side
78,732,246.70x = 3,259,020,500,075,089.50 - Step 5: Solve for x
x = 3,259,020,500,075,089.50/78,732,246.70 - Step 6: Final answer
x = 41,393,719.05
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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.