Finding the Fourth Proportional to 193,389,711.70, 290,084,567.55 and 155,125,959.70
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Solution
The fourth proportional to 193,389,711.70, 290,084,567.55 and 155,125,959.70 is: 232,688,939.55
Step by Step Solution
- Step 1: Write the proportion equation
193,389,711.70 : 290,084,567.55 = 155,125,959.70 : x - Step 2: Convert to fraction form
193,389,711.70/290,084,567.55 = 155,125,959.70/x - Step 3: Cross multiply
193,389,711.70x = 290,084,567.55 × 155,125,959.70 - Step 4: Simplify right side
193,389,711.70x = 44,999,646,935,353,224 - Step 5: Solve for x
x = 44,999,646,935,353,224/193,389,711.70 - Step 6: Final answer
x = 232,688,939.55
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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.