Finding the Fourth Proportional to 75,368,553.04, 104,014,124.40 and 42,330,760.12
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Solution
The fourth proportional to 75,368,553.04, 104,014,124.40 and 42,330,760.12 is: 58,419,549.95
Step by Step Solution
- Step 1: Write the proportion equation
75,368,553.04 : 104,014,124.40 = 42,330,760.12 : x - Step 2: Convert to fraction form
75,368,553.04/104,014,124.40 = 42,330,760.12/x - Step 3: Cross multiply
75,368,553.04x = 104,014,124.40 × 42,330,760.12 - Step 4: Simplify right side
75,368,553.04x = 4,402,996,949,068,239 - Step 5: Solve for x
x = 4,402,996,949,068,239/75,368,553.04 - Step 6: Final answer
x = 58,419,549.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.