Finding the Fourth Proportional to 51,201,263.68, 76,801,969.40 and 20,909,126.68
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Solution
The fourth proportional to 51,201,263.68, 76,801,969.40 and 20,909,126.68 is: 31,363,720.19
Step by Step Solution
- Step 1: Write the proportion equation
51,201,263.68 : 76,801,969.40 = 20,909,126.68 : x - Step 2: Convert to fraction form
51,201,263.68/76,801,969.40 = 20,909,126.68/x - Step 3: Cross multiply
51,201,263.68x = 76,801,969.40 × 20,909,126.68 - Step 4: Simplify right side
51,201,263.68x = 1,605,862,107,458,083.75 - Step 5: Solve for x
x = 1,605,862,107,458,083.75/51,201,263.68 - Step 6: Final answer
x = 31,363,720.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.