Finding the Fourth Proportional to 181,478,243.95, 250,396,930.33 and 103,155,632.12
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Solution
The fourth proportional to 181,478,243.95, 250,396,930.33 and 103,155,632.12 is: 142,330,303.99
Step by Step Solution
- Step 1: Write the proportion equation
181,478,243.95 : 250,396,930.33 = 103,155,632.12 : x - Step 2: Convert to fraction form
181,478,243.95/250,396,930.33 = 103,155,632.12/x - Step 3: Cross multiply
181,478,243.95x = 250,396,930.33 × 103,155,632.12 - Step 4: Simplify right side
181,478,243.95x = 25,829,853,629,466,852 - Step 5: Solve for x
x = 25,829,853,629,466,852/181,478,243.95 - Step 6: Final answer
x = 142,330,303.99
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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.