Finding the Fourth Proportional to 49,538,669.51, 74,307,531.43 and 30,113,259.99
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Solution
The fourth proportional to 49,538,669.51, 74,307,531.43 and 30,113,259.99 is: 45,169,602.56
Step by Step Solution
- Step 1: Write the proportion equation
49,538,669.51 : 74,307,531.43 = 30,113,259.99 : x - Step 2: Convert to fraction form
49,538,669.51/74,307,531.43 = 30,113,259.99/x - Step 3: Cross multiply
49,538,669.51x = 74,307,531.43 × 30,113,259.99 - Step 4: Simplify right side
49,538,669.51x = 2,237,642,013,343,655 - Step 5: Solve for x
x = 2,237,642,013,343,655/49,538,669.51 - Step 6: Final answer
x = 45,169,602.56
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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.