Finding the Fourth Proportional to 55,130,403.64, 76,084,404.94 and 31,611,128.84
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Solution
The fourth proportional to 55,130,403.64, 76,084,404.94 and 31,611,128.84 is: 43,625,908.19
Step by Step Solution
- Step 1: Write the proportion equation
55,130,403.64 : 76,084,404.94 = 31,611,128.84 : x - Step 2: Convert to fraction form
55,130,403.64/76,084,404.94 = 31,611,128.84/x - Step 3: Cross multiply
55,130,403.64x = 76,084,404.94 × 31,611,128.84 - Step 4: Simplify right side
55,130,403.64x = 2,405,113,927,273,072.50 - Step 5: Solve for x
x = 2,405,113,927,273,072.50/55,130,403.64 - Step 6: Final answer
x = 43,625,908.19
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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.