Finding the Fourth Proportional to 199,208,538.90, 298,812,808.35 and 157,596,708.60
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Solution
The fourth proportional to 199,208,538.90, 298,812,808.35 and 157,596,708.60 is: 236,395,062.90
Step by Step Solution
- Step 1: Write the proportion equation
199,208,538.90 : 298,812,808.35 = 157,596,708.60 : x - Step 2: Convert to fraction form
199,208,538.90/298,812,808.35 = 157,596,708.60/x - Step 3: Cross multiply
199,208,538.90x = 298,812,808.35 × 157,596,708.60 - Step 4: Simplify right side
199,208,538.90x = 47,091,915,083,482,600 - Step 5: Solve for x
x = 47,091,915,083,482,600/199,208,538.90 - Step 6: Final answer
x = 236,395,062.90
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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.