Finding the Fourth Proportional to 77,914,116.68, 107,512,028.80 and 44,885,058.53
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Solution
The fourth proportional to 77,914,116.68, 107,512,028.80 and 44,885,058.53 is: 61,935,935.50
Step by Step Solution
- Step 1: Write the proportion equation
77,914,116.68 : 107,512,028.80 = 44,885,058.53 : x - Step 2: Convert to fraction form
77,914,116.68/107,512,028.80 = 44,885,058.53/x - Step 3: Cross multiply
77,914,116.68x = 107,512,028.80 × 44,885,058.53 - Step 4: Simplify right side
77,914,116.68x = 4,825,683,704,717,273 - Step 5: Solve for x
x = 4,825,683,704,717,273/77,914,116.68 - Step 6: Final answer
x = 61,935,935.50
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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.