Finding the Fourth Proportional to 101,067,701.16, 139,473,845.30 and 54,657,954.12
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Solution
The fourth proportional to 101,067,701.16, 139,473,845.30 and 54,657,954.12 is: 75,428,202.58
Step by Step Solution
- Step 1: Write the proportion equation
101,067,701.16 : 139,473,845.30 = 54,657,954.12 : x - Step 2: Convert to fraction form
101,067,701.16/139,473,845.30 = 54,657,954.12/x - Step 3: Cross multiply
101,067,701.16x = 139,473,845.30 × 54,657,954.12 - Step 4: Simplify right side
101,067,701.16x = 7,623,355,037,074,087 - Step 5: Solve for x
x = 7,623,355,037,074,087/101,067,701.16 - Step 6: Final answer
x = 75,428,202.58
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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.