Finding the Fourth Proportional to 149,769,640.80, 224,654,461.20 and 97,813,519.20
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Solution
The fourth proportional to 149,769,640.80, 224,654,461.20 and 97,813,519.20 is: 146,720,278.80
Step by Step Solution
- Step 1: Write the proportion equation
149,769,640.80 : 224,654,461.20 = 97,813,519.20 : x - Step 2: Convert to fraction form
149,769,640.80/224,654,461.20 = 97,813,519.20/x - Step 3: Cross multiply
149,769,640.80x = 224,654,461.20 × 97,813,519.20 - Step 4: Simplify right side
149,769,640.80x = 21,974,243,453,951,856 - Step 5: Solve for x
x = 21,974,243,453,951,856/149,769,640.80 - Step 6: Final answer
x = 146,720,278.80
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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.