Finding the Fourth Proportional to 83,971,732.10, 125,957,598.15 and 82,895,564.08
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Solution
The fourth proportional to 83,971,732.10, 125,957,598.15 and 82,895,564.08 is: 124,343,346.12
Step by Step Solution
- Step 1: Write the proportion equation
83,971,732.10 : 125,957,598.15 = 82,895,564.08 : x - Step 2: Convert to fraction form
83,971,732.10/125,957,598.15 = 82,895,564.08/x - Step 3: Cross multiply
83,971,732.10x = 125,957,598.15 × 82,895,564.08 - Step 4: Simplify right side
83,971,732.10x = 10,441,326,148,806,214 - Step 5: Solve for x
x = 10,441,326,148,806,214/83,971,732.10 - Step 6: Final answer
x = 124,343,346.12
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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.