Finding the Fourth Proportional to 235,296,830.88, 324,704,970 and 130,872,654.72
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Solution
The fourth proportional to 235,296,830.88, 324,704,970 and 130,872,654.72 is: 180,601,673.49
Step by Step Solution
- Step 1: Write the proportion equation
235,296,830.88 : 324,704,970 = 130,872,654.72 : x - Step 2: Convert to fraction form
235,296,830.88/324,704,970 = 130,872,654.72/x - Step 3: Cross multiply
235,296,830.88x = 324,704,970 × 130,872,654.72 - Step 4: Simplify right side
235,296,830.88x = 42,495,001,424,677,960 - Step 5: Solve for x
x = 42,495,001,424,677,960/235,296,830.88 - Step 6: Final answer
x = 180,601,673.49
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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.