Finding the Fourth Proportional to 35,455,849.60, 53,225,764.80 and 20,115,356.80
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Solution
The fourth proportional to 35,455,849.60, 53,225,764.80 and 20,115,356.80 is: 30,196,857.84
Step by Step Solution
- Step 1: Write the proportion equation
35,455,849.60 : 53,225,764.80 = 20,115,356.80 : x - Step 2: Convert to fraction form
35,455,849.60/53,225,764.80 = 20,115,356.80/x - Step 3: Cross multiply
35,455,849.60x = 53,225,764.80 × 20,115,356.80 - Step 4: Simplify right side
35,455,849.60x = 1,070,655,249,904,880.62 - Step 5: Solve for x
x = 1,070,655,249,904,880.62/35,455,849.60 - Step 6: Final answer
x = 30,196,857.84
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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.