Finding the Fourth Proportional to 81,475,346.13, 112,433,735.40 and 44,805,917.13
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Solution
The fourth proportional to 81,475,346.13, 112,433,735.40 and 44,805,917.13 is: 61,830,932.55
Step by Step Solution
- Step 1: Write the proportion equation
81,475,346.13 : 112,433,735.40 = 44,805,917.13 : x - Step 2: Convert to fraction form
81,475,346.13/112,433,735.40 = 44,805,917.13/x - Step 3: Cross multiply
81,475,346.13x = 112,433,735.40 × 44,805,917.13 - Step 4: Simplify right side
81,475,346.13x = 5,037,696,630,948,748 - Step 5: Solve for x
x = 5,037,696,630,948,748/81,475,346.13 - Step 6: Final answer
x = 61,830,932.55
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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.