Finding the Fourth Proportional to 68,651,730.11, 94,740,149.69 and 40,400,347.26
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Solution
The fourth proportional to 68,651,730.11, 94,740,149.69 and 40,400,347.26 is: 55,752,927.72
Step by Step Solution
- Step 1: Write the proportion equation
68,651,730.11 : 94,740,149.69 = 40,400,347.26 : x - Step 2: Convert to fraction form
68,651,730.11/94,740,149.69 = 40,400,347.26/x - Step 3: Cross multiply
68,651,730.11x = 94,740,149.69 × 40,400,347.26 - Step 4: Simplify right side
68,651,730.11x = 3,827,534,946,940,381 - Step 5: Solve for x
x = 3,827,534,946,940,381/68,651,730.11 - Step 6: Final answer
x = 55,752,927.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.