Finding the Fourth Proportional to 85,506,600.32, 117,995,947.19 and 46,347,536.31
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Solution
The fourth proportional to 85,506,600.32, 117,995,947.19 and 46,347,536.31 is: 63,957,886.60
Step by Step Solution
- Step 1: Write the proportion equation
85,506,600.32 : 117,995,947.19 = 46,347,536.31 : x - Step 2: Convert to fraction form
85,506,600.32/117,995,947.19 = 46,347,536.31/x - Step 3: Cross multiply
85,506,600.32x = 117,995,947.19 × 46,347,536.31 - Step 4: Simplify right side
85,506,600.32x = 5,468,821,446,821,368 - Step 5: Solve for x
x = 5,468,821,446,821,368/85,506,600.32 - Step 6: Final answer
x = 63,957,886.60
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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.