Finding the Fourth Proportional to 85,905,555.44, 118,549,685.84 and 47,274,387.44
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Solution
The fourth proportional to 85,905,555.44, 118,549,685.84 and 47,274,387.44 is: 65,238,665.31
Step by Step Solution
- Step 1: Write the proportion equation
85,905,555.44 : 118,549,685.84 = 47,274,387.44 : x - Step 2: Convert to fraction form
85,905,555.44/118,549,685.84 = 47,274,387.44/x - Step 3: Cross multiply
85,905,555.44x = 118,549,685.84 × 47,274,387.44 - Step 4: Simplify right side
85,905,555.44x = 5,604,363,779,290,442 - Step 5: Solve for x
x = 5,604,363,779,290,442/85,905,555.44 - Step 6: Final answer
x = 65,238,665.31
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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.