Finding the Fourth Proportional to 58,752,235.20, 88,128,352.80 and 47,414,827.20
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Solution
The fourth proportional to 58,752,235.20, 88,128,352.80 and 47,414,827.20 is: 71,122,240.80
Step by Step Solution
- Step 1: Write the proportion equation
58,752,235.20 : 88,128,352.80 = 47,414,827.20 : x - Step 2: Convert to fraction form
58,752,235.20/88,128,352.80 = 47,414,827.20/x - Step 3: Cross multiply
58,752,235.20x = 88,128,352.80 × 47,414,827.20 - Step 4: Simplify right side
58,752,235.20x = 4,178,590,619,432,636.50 - Step 5: Solve for x
x = 4,178,590,619,432,636.50/58,752,235.20 - Step 6: Final answer
x = 71,122,240.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.