Finding the Fourth Proportional to 142,720,142,788.26, 214,174,528,355.19 and 67,194,892,227.95
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Solution
The fourth proportional to 142,720,142,788.26, 214,174,528,355.19 and 67,194,892,227.95 is: 100,836,742,940.69
Step by Step Solution
- Step 1: Write the proportion equation
142,720,142,788.26 : 214,174,528,355.19 = 67,194,892,227.95 : x - Step 2: Convert to fraction form
142,720,142,788.26/214,174,528,355.19 = 67,194,892,227.95/x - Step 3: Cross multiply
142,720,142,788.26x = 214,174,528,355.19 × 67,194,892,227.95 - Step 4: Simplify right side
142,720,142,788.26x = 14,391,434,350,798,584,152,064 - Step 5: Solve for x
x = 14,391,434,350,798,584,152,064/142,720,142,788.26 - Step 6: Final answer
x = 100,836,742,940.69
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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.