Finding the Fourth Proportional to 85,375,485.80, 117,818,034.84 and 46,217,252.12
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Solution
The fourth proportional to 85,375,485.80, 117,818,034.84 and 46,217,252.12 is: 63,779,734.54
Step by Step Solution
- Step 1: Write the proportion equation
85,375,485.80 : 117,818,034.84 = 46,217,252.12 : x - Step 2: Convert to fraction form
85,375,485.80/117,818,034.84 = 46,217,252.12/x - Step 3: Cross multiply
85,375,485.80x = 117,818,034.84 × 46,217,252.12 - Step 4: Simplify right side
85,375,485.80x = 5,445,225,820,483,224 - Step 5: Solve for x
x = 5,445,225,820,483,224/85,375,485.80 - Step 6: Final answer
x = 63,779,734.54
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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.