Finding the Fourth Proportional to 65,169,533.70, 97,817,286.15 and 39,660,365.70
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Solution
The fourth proportional to 65,169,533.70, 97,817,286.15 and 39,660,365.70 is: 59,528,879.83
Step by Step Solution
- Step 1: Write the proportion equation
65,169,533.70 : 97,817,286.15 = 39,660,365.70 : x - Step 2: Convert to fraction form
65,169,533.70/97,817,286.15 = 39,660,365.70/x - Step 3: Cross multiply
65,169,533.70x = 97,817,286.15 × 39,660,365.70 - Step 4: Simplify right side
65,169,533.70x = 3,879,469,340,490,545.50 - Step 5: Solve for x
x = 3,879,469,340,490,545.50/65,169,533.70 - Step 6: Final answer
x = 59,528,879.83
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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.