Finding the Fourth Proportional to 199,291,259.60, 298,984,128.60 and 102,261,942.80
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Solution
The fourth proportional to 199,291,259.60, 298,984,128.60 and 102,261,942.80 is: 153,417,153.96
Step by Step Solution
- Step 1: Write the proportion equation
199,291,259.60 : 298,984,128.60 = 102,261,942.80 : x - Step 2: Convert to fraction form
199,291,259.60/298,984,128.60 = 102,261,942.80/x - Step 3: Cross multiply
199,291,259.60x = 298,984,128.60 × 102,261,942.80 - Step 4: Simplify right side
199,291,259.60x = 30,574,697,857,001,044 - Step 5: Solve for x
x = 30,574,697,857,001,044/199,291,259.60 - Step 6: Final answer
x = 153,417,153.96
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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.