Finding the Fourth Proportional to 219,820,156.00, 329,731,371.24 and 128,879,972.08
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Solution
The fourth proportional to 219,820,156.00, 329,731,371.24 and 128,879,972.08 is: 193,320,624.88
Step by Step Solution
- Step 1: Write the proportion equation
219,820,156.00 : 329,731,371.24 = 128,879,972.08 : x - Step 2: Convert to fraction form
219,820,156.00/329,731,371.24 = 128,879,972.08/x - Step 3: Cross multiply
219,820,156.00x = 329,731,371.24 × 128,879,972.08 - Step 4: Simplify right side
219,820,156.00x = 42,495,769,918,003,688 - Step 5: Solve for x
x = 42,495,769,918,003,688/219,820,156.00 - Step 6: Final answer
x = 193,320,624.88
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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.