Finding the Fourth Proportional to 51,488,101.53, 71,033,555.07 and 29,155,961.10
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Solution
The fourth proportional to 51,488,101.53, 71,033,555.07 and 29,155,961.10 is: 40,223,886.82
Step by Step Solution
- Step 1: Write the proportion equation
51,488,101.53 : 71,033,555.07 = 29,155,961.10 : x - Step 2: Convert to fraction form
51,488,101.53/71,033,555.07 = 29,155,961.10/x - Step 3: Cross multiply
51,488,101.53x = 71,033,555.07 × 29,155,961.10 - Step 4: Simplify right side
51,488,101.53x = 2,071,051,568,415,627.75 - Step 5: Solve for x
x = 2,071,051,568,415,627.75/51,488,101.53 - Step 6: Final answer
x = 40,223,886.82
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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.