Finding the Fourth Proportional to 83,992,538.10, 125,988,807.15 and 26,502,431.70
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Solution
The fourth proportional to 83,992,538.10, 125,988,807.15 and 26,502,431.70 is: 39,753,647.55
Step by Step Solution
- Step 1: Write the proportion equation
83,992,538.10 : 125,988,807.15 = 26,502,431.70 : x - Step 2: Convert to fraction form
83,992,538.10/125,988,807.15 = 26,502,431.70/x - Step 3: Cross multiply
83,992,538.10x = 125,988,807.15 × 26,502,431.70 - Step 4: Simplify right side
83,992,538.10x = 3,339,009,756,457,346.50 - Step 5: Solve for x
x = 3,339,009,756,457,346.50/83,992,538.10 - Step 6: Final answer
x = 39,753,647.55
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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.