Finding the Fourth Proportional to 289,631,251.80, 434,446,877.70 and 98,155,027.80
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Solution
The fourth proportional to 289,631,251.80, 434,446,877.70 and 98,155,027.80 is: 147,232,541.70
Step by Step Solution
- Step 1: Write the proportion equation
289,631,251.80 : 434,446,877.70 = 98,155,027.80 : x - Step 2: Convert to fraction form
289,631,251.80/434,446,877.70 = 98,155,027.80/x - Step 3: Cross multiply
289,631,251.80x = 434,446,877.70 × 98,155,027.80 - Step 4: Simplify right side
289,631,251.80x = 42,643,145,358,266,696 - Step 5: Solve for x
x = 42,643,145,358,266,696/289,631,251.80 - Step 6: Final answer
x = 147,232,541.70
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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.