Finding the Fourth Proportional to 52,753,018.32, 79,107,106.63 and 21,607,203.18
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Solution
The fourth proportional to 52,753,018.32, 79,107,106.63 and 21,607,203.18 is: 32,401,621.37
Step by Step Solution
- Step 1: Write the proportion equation
52,753,018.32 : 79,107,106.63 = 21,607,203.18 : x - Step 2: Convert to fraction form
52,753,018.32/79,107,106.63 = 21,607,203.18/x - Step 3: Cross multiply
52,753,018.32x = 79,107,106.63 × 21,607,203.18 - Step 4: Simplify right side
52,753,018.32x = 1,709,283,325,936,335 - Step 5: Solve for x
x = 1,709,283,325,936,335/52,753,018.32 - Step 6: Final answer
x = 32,401,621.37
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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.