Finding the Fourth Proportional to 54,082,808.39, 74,637,937.35 and 30,553,184.30
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Solution
The fourth proportional to 54,082,808.39, 74,637,937.35 and 30,553,184.30 is: 42,165,462.99
Step by Step Solution
- Step 1: Write the proportion equation
54,082,808.39 : 74,637,937.35 = 30,553,184.30 : x - Step 2: Convert to fraction form
54,082,808.39/74,637,937.35 = 30,553,184.30/x - Step 3: Cross multiply
54,082,808.39x = 74,637,937.35 × 30,553,184.30 - Step 4: Simplify right side
54,082,808.39x = 2,280,426,655,673,052 - Step 5: Solve for x
x = 2,280,426,655,673,052/54,082,808.39 - Step 6: Final answer
x = 42,165,462.99
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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.