Finding the Fourth Proportional to 130,408,046.70, 195,612,070.05 and 87,409,877.10
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Solution
The fourth proportional to 130,408,046.70, 195,612,070.05 and 87,409,877.10 is: 131,114,815.65
Step by Step Solution
- Step 1: Write the proportion equation
130,408,046.70 : 195,612,070.05 = 87,409,877.10 : x - Step 2: Convert to fraction form
130,408,046.70/195,612,070.05 = 87,409,877.10/x - Step 3: Cross multiply
130,408,046.70x = 195,612,070.05 × 87,409,877.10 - Step 4: Simplify right side
130,408,046.70x = 17,098,427,002,347,090 - Step 5: Solve for x
x = 17,098,427,002,347,090/130,408,046.70 - Step 6: Final answer
x = 131,114,815.65
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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.