Finding the Fourth Proportional to 117,735,463.97, 162,474,940.70 and 65,536,830.75
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Solution
The fourth proportional to 117,735,463.97, 162,474,940.70 and 65,536,830.75 is: 90,440,826.67
Step by Step Solution
- Step 1: Write the proportion equation
117,735,463.97 : 162,474,940.70 = 65,536,830.75 : x - Step 2: Convert to fraction form
117,735,463.97/162,474,940.70 = 65,536,830.75/x - Step 3: Cross multiply
117,735,463.97x = 162,474,940.70 × 65,536,830.75 - Step 4: Simplify right side
117,735,463.97x = 10,648,092,689,444,502 - Step 5: Solve for x
x = 10,648,092,689,444,502/117,735,463.97 - Step 6: Final answer
x = 90,440,826.67
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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.