Finding the Fourth Proportional to 42,139,388.30, 63,209,163.76 and 16,243,884.14
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Solution
The fourth proportional to 42,139,388.30, 63,209,163.76 and 16,243,884.14 is: 24,365,857.55
Step by Step Solution
- Step 1: Write the proportion equation
42,139,388.30 : 63,209,163.76 = 16,243,884.14 : x - Step 2: Convert to fraction form
42,139,388.30/63,209,163.76 = 16,243,884.14/x - Step 3: Cross multiply
42,139,388.30x = 63,209,163.76 × 16,243,884.14 - Step 4: Simplify right side
42,139,388.30x = 1,026,762,332,703,726.75 - Step 5: Solve for x
x = 1,026,762,332,703,726.75/42,139,388.30 - Step 6: Final answer
x = 24,365,857.55
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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.