Finding the Fourth Proportional to 53,771,477.97, 74,191,884.98 and 30,564,777.99
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Solution
The fourth proportional to 53,771,477.97, 74,191,884.98 and 30,564,777.99 is: 42,172,143.64
Step by Step Solution
- Step 1: Write the proportion equation
53,771,477.97 : 74,191,884.98 = 30,564,777.99 : x - Step 2: Convert to fraction form
53,771,477.97/74,191,884.98 = 30,564,777.99/x - Step 3: Cross multiply
53,771,477.97x = 74,191,884.98 × 30,564,777.99 - Step 4: Simplify right side
53,771,477.97x = 2,267,658,492,920,491.50 - Step 5: Solve for x
x = 2,267,658,492,920,491.50/53,771,477.97 - Step 6: Final answer
x = 42,172,143.64
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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.