Finding the Fourth Proportional to 78,877,050.09, 118,317,985.49 and 27,060,925.91
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Solution
The fourth proportional to 78,877,050.09, 118,317,985.49 and 27,060,925.91 is: 40,592,215.79
Step by Step Solution
- Step 1: Write the proportion equation
78,877,050.09 : 118,317,985.49 = 27,060,925.91 : x - Step 2: Convert to fraction form
78,877,050.09/118,317,985.49 = 27,060,925.91/x - Step 3: Cross multiply
78,877,050.09x = 118,317,985.49 × 27,060,925.91 - Step 4: Simplify right side
78,877,050.09x = 3,201,794,238,438,450.50 - Step 5: Solve for x
x = 3,201,794,238,438,450.50/78,877,050.09 - Step 6: Final answer
x = 40,592,215.79
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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.