Finding the Fourth Proportional to 54,182,252.10, 74,771,559.09 and 30,977,864.99
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Solution
The fourth proportional to 54,182,252.10, 74,771,559.09 and 30,977,864.99 is: 42,749,482.95
Step by Step Solution
- Step 1: Write the proportion equation
54,182,252.10 : 74,771,559.09 = 30,977,864.99 : x - Step 2: Convert to fraction form
54,182,252.10/74,771,559.09 = 30,977,864.99/x - Step 3: Cross multiply
54,182,252.10x = 74,771,559.09 × 30,977,864.99 - Step 4: Simplify right side
54,182,252.10x = 2,316,263,262,207,969.50 - Step 5: Solve for x
x = 2,316,263,262,207,969.50/54,182,252.10 - Step 6: Final answer
x = 42,749,482.95
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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.