Finding the Fourth Proportional to 97,806,631.70, 146,709,947.55 and 59,542,879.70
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Solution
The fourth proportional to 97,806,631.70, 146,709,947.55 and 59,542,879.70 is: 89,314,319.55
Step by Step Solution
- Step 1: Write the proportion equation
97,806,631.70 : 146,709,947.55 = 59,542,879.70 : x - Step 2: Convert to fraction form
97,806,631.70/146,709,947.55 = 59,542,879.70/x - Step 3: Cross multiply
97,806,631.70x = 146,709,947.55 × 59,542,879.70 - Step 4: Simplify right side
97,806,631.70x = 8,735,532,757,762,961 - Step 5: Solve for x
x = 8,735,532,757,762,961/97,806,631.70 - Step 6: Final answer
x = 89,314,319.55
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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.