Finding the Fourth Proportional to 219,027,610.20, 328,541,415.30 and 57,485,875.80
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Solution
The fourth proportional to 219,027,610.20, 328,541,415.30 and 57,485,875.80 is: 86,228,813.70
Step by Step Solution
- Step 1: Write the proportion equation
219,027,610.20 : 328,541,415.30 = 57,485,875.80 : x - Step 2: Convert to fraction form
219,027,610.20/328,541,415.30 = 57,485,875.80/x - Step 3: Cross multiply
219,027,610.20x = 328,541,415.30 × 57,485,875.80 - Step 4: Simplify right side
219,027,610.20x = 18,886,490,995,092,020 - Step 5: Solve for x
x = 18,886,490,995,092,020/219,027,610.20 - Step 6: Final answer
x = 86,228,813.70
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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.