Finding the Fourth Proportional to 157,230,215.70, 235,845,323.55 and 48,055,175.70
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Solution
The fourth proportional to 157,230,215.70, 235,845,323.55 and 48,055,175.70 is: 72,082,763.55
Step by Step Solution
- Step 1: Write the proportion equation
157,230,215.70 : 235,845,323.55 = 48,055,175.70 : x - Step 2: Convert to fraction form
157,230,215.70/235,845,323.55 = 48,055,175.70/x - Step 3: Cross multiply
157,230,215.70x = 235,845,323.55 × 48,055,175.70 - Step 4: Simplify right side
157,230,215.70x = 11,333,588,461,218,600 - Step 5: Solve for x
x = 11,333,588,461,218,600/157,230,215.70 - Step 6: Final answer
x = 72,082,763.55
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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.