Finding the Fourth Proportional to 79,799,606.18, 110,123,406.77 and 43,130,177.18
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Solution
The fourth proportional to 79,799,606.18, 110,123,406.77 and 43,130,177.18 is: 59,519,617.61
Step by Step Solution
- Step 1: Write the proportion equation
79,799,606.18 : 110,123,406.77 = 43,130,177.18 : x - Step 2: Convert to fraction form
79,799,606.18/110,123,406.77 = 43,130,177.18/x - Step 3: Cross multiply
79,799,606.18x = 110,123,406.77 × 43,130,177.18 - Step 4: Simplify right side
79,799,606.18x = 4,749,642,044,889,043 - Step 5: Solve for x
x = 4,749,642,044,889,043/79,799,606.18 - Step 6: Final answer
x = 59,519,617.61
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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.