Finding the Fourth Proportional to 57,622,853.10, 79,521,430.80 and 31,517,370.08
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Solution
The fourth proportional to 57,622,853.10, 79,521,430.80 and 31,517,370.08 is: 43,495,006.39
Step by Step Solution
- Step 1: Write the proportion equation
57,622,853.10 : 79,521,430.80 = 31,517,370.08 : x - Step 2: Convert to fraction form
57,622,853.10/79,521,430.80 = 31,517,370.08/x - Step 3: Cross multiply
57,622,853.10x = 79,521,430.80 × 31,517,370.08 - Step 4: Simplify right side
57,622,853.10x = 2,506,306,363,814,710 - Step 5: Solve for x
x = 2,506,306,363,814,710/57,622,853.10 - Step 6: Final answer
x = 43,495,006.39
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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.