Finding the Fourth Proportional to 124,416,037.12, 171,693,877.76 and 69,408,613.12
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Solution
The fourth proportional to 124,416,037.12, 171,693,877.76 and 69,408,613.12 is: 95,783,744.70
Step by Step Solution
- Step 1: Write the proportion equation
124,416,037.12 : 171,693,877.76 = 69,408,613.12 : x - Step 2: Convert to fraction form
124,416,037.12/171,693,877.76 = 69,408,613.12/x - Step 3: Cross multiply
124,416,037.12x = 171,693,877.76 × 69,408,613.12 - Step 4: Simplify right side
124,416,037.12x = 11,917,033,936,516,412 - Step 5: Solve for x
x = 11,917,033,936,516,412/124,416,037.12 - Step 6: Final answer
x = 95,783,744.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.