Finding the Fourth Proportional to 130,702,926.80, 195,755,791.80 and 76,955,214.80
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Solution
The fourth proportional to 130,702,926.80, 195,755,791.80 and 76,955,214.80 is: 115,257,013.56
Step by Step Solution
- Step 1: Write the proportion equation
130,702,926.80 : 195,755,791.80 = 76,955,214.80 : x - Step 2: Convert to fraction form
130,702,926.80/195,755,791.80 = 76,955,214.80/x - Step 3: Cross multiply
130,702,926.80x = 195,755,791.80 × 76,955,214.80 - Step 4: Simplify right side
130,702,926.80x = 15,064,429,006,313,078 - Step 5: Solve for x
x = 15,064,429,006,313,078/130,702,926.80 - Step 6: Final answer
x = 115,257,013.56
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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.