Finding the Fourth Proportional to 261,829,874.25, 392,746,779.68 and 116,224,291.26
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Solution
The fourth proportional to 261,829,874.25, 392,746,779.68 and 116,224,291.26 is: 174,337,310.60
Step by Step Solution
- Step 1: Write the proportion equation
261,829,874.25 : 392,746,779.68 = 116,224,291.26 : x - Step 2: Convert to fraction form
261,829,874.25/392,746,779.68 = 116,224,291.26/x - Step 3: Cross multiply
261,829,874.25x = 392,746,779.68 × 116,224,291.26 - Step 4: Simplify right side
261,829,874.25x = 45,646,716,112,374,248 - Step 5: Solve for x
x = 45,646,716,112,374,248/261,829,874.25 - Step 6: Final answer
x = 174,337,310.60
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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.