Finding the Fourth Proportional to 188,551,021.95, 260,170,430.36 and 106,028,869.95
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Solution
The fourth proportional to 188,551,021.95, 260,170,430.36 and 106,028,869.95 is: 146,302,981.76
Step by Step Solution
- Step 1: Write the proportion equation
188,551,021.95 : 260,170,430.36 = 106,028,869.95 : x - Step 2: Convert to fraction form
188,551,021.95/260,170,430.36 = 106,028,869.95/x - Step 3: Cross multiply
188,551,021.95x = 260,170,430.36 × 106,028,869.95 - Step 4: Simplify right side
188,551,021.95x = 27,585,576,724,945,828 - Step 5: Solve for x
x = 27,585,576,724,945,828/188,551,021.95 - Step 6: Final answer
x = 146,302,981.76
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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.