Finding the Fourth Proportional to 135,387,184.24, 202,628,272.24 and 77,079,209.28
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Solution
The fourth proportional to 135,387,184.24, 202,628,272.24 and 77,079,209.28 is: 115,361,192.34
Step by Step Solution
- Step 1: Write the proportion equation
135,387,184.24 : 202,628,272.24 = 77,079,209.28 : x - Step 2: Convert to fraction form
135,387,184.24/202,628,272.24 = 77,079,209.28/x - Step 3: Cross multiply
135,387,184.24x = 202,628,272.24 × 77,079,209.28 - Step 4: Simplify right side
135,387,184.24x = 15,618,427,002,031,776 - Step 5: Solve for x
x = 15,618,427,002,031,776/135,387,184.24 - Step 6: Final answer
x = 115,361,192.34
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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.