Finding the Fourth Proportional to 231,754,696.20, 347,632,044.30 and 88,128,865.80
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Solution
The fourth proportional to 231,754,696.20, 347,632,044.30 and 88,128,865.80 is: 132,193,298.70
Step by Step Solution
- Step 1: Write the proportion equation
231,754,696.20 : 347,632,044.30 = 88,128,865.80 : x - Step 2: Convert to fraction form
231,754,696.20/347,632,044.30 = 88,128,865.80/x - Step 3: Cross multiply
231,754,696.20x = 347,632,044.30 × 88,128,865.80 - Step 4: Simplify right side
231,754,696.20x = 30,636,417,779,894,356 - Step 5: Solve for x
x = 30,636,417,779,894,356/231,754,696.20 - Step 6: Final answer
x = 132,193,298.70
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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.