Finding the Fourth Proportional to 61,884,904.33, 85,365,605.84 and 38,639,674.99
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Solution
The fourth proportional to 61,884,904.33, 85,365,605.84 and 38,639,674.99 is: 53,300,547.21
Step by Step Solution
- Step 1: Write the proportion equation
61,884,904.33 : 85,365,605.84 = 38,639,674.99 : x - Step 2: Convert to fraction form
61,884,904.33/85,365,605.84 = 38,639,674.99/x - Step 3: Cross multiply
61,884,904.33x = 85,365,605.84 × 38,639,674.99 - Step 4: Simplify right side
61,884,904.33x = 3,298,499,264,895,554.50 - Step 5: Solve for x
x = 3,298,499,264,895,554.50/61,884,904.33 - Step 6: Final answer
x = 53,300,547.21
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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.