Finding the Fourth Proportional to 79,799,607.18, 110,123,408.14 and 43,130,178.18
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Solution
The fourth proportional to 79,799,607.18, 110,123,408.14 and 43,130,178.18 is: 59,519,618.99
Step by Step Solution
- Step 1: Write the proportion equation
79,799,607.18 : 110,123,408.14 = 43,130,178.18 : x - Step 2: Convert to fraction form
79,799,607.18/110,123,408.14 = 43,130,178.18/x - Step 3: Cross multiply
79,799,607.18x = 110,123,408.14 × 43,130,178.18 - Step 4: Simplify right side
79,799,607.18x = 4,749,642,214,867,062 - Step 5: Solve for x
x = 4,749,642,214,867,062/79,799,607.18 - Step 6: Final answer
x = 59,519,618.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.