Finding the Fourth Proportional to 199,772,249.60, 299,154,489.60 and 159,461,465.60
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Solution
The fourth proportional to 199,772,249.60, 299,154,489.60 and 159,461,465.60 is: 238,789,989.34
Step by Step Solution
- Step 1: Write the proportion equation
199,772,249.60 : 299,154,489.60 = 159,461,465.60 : x - Step 2: Convert to fraction form
199,772,249.60/299,154,489.60 = 159,461,465.60/x - Step 3: Cross multiply
199,772,249.60x = 299,154,489.60 × 159,461,465.60 - Step 4: Simplify right side
199,772,249.60x = 47,703,613,352,435,960 - Step 5: Solve for x
x = 47,703,613,352,435,960/199,772,249.60 - Step 6: Final answer
x = 238,789,989.34
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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.