Finding the Fourth Proportional to 112,709,177.75, 168,945,769.87 and 47,167,867.08
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Solution
The fourth proportional to 112,709,177.75, 168,945,769.87 and 47,167,867.08 is: 70,702,419.94
Step by Step Solution
- Step 1: Write the proportion equation
112,709,177.75 : 168,945,769.87 = 47,167,867.08 : x - Step 2: Convert to fraction form
112,709,177.75/168,945,769.87 = 47,167,867.08/x - Step 3: Cross multiply
112,709,177.75x = 168,945,769.87 × 47,167,867.08 - Step 4: Simplify right side
112,709,177.75x = 7,968,811,616,838,509 - Step 5: Solve for x
x = 7,968,811,616,838,509/112,709,177.75 - Step 6: Final answer
x = 70,702,419.94
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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.