Finding the Fourth Proportional to 219,259,779.57, 328,780,234.91 and 71,688,117.00
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Solution
The fourth proportional to 219,259,779.57, 328,780,234.91 and 71,688,117.00 is: 107,496,395.33
Step by Step Solution
- Step 1: Write the proportion equation
219,259,779.57 : 328,780,234.91 = 71,688,117.00 : x - Step 2: Convert to fraction form
219,259,779.57/328,780,234.91 = 71,688,117.00/x - Step 3: Cross multiply
219,259,779.57x = 328,780,234.91 × 71,688,117.00 - Step 4: Simplify right side
219,259,779.57x = 23,569,635,945,513,224 - Step 5: Solve for x
x = 23,569,635,945,513,224/219,259,779.57 - Step 6: Final answer
x = 107,496,395.33
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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.