Finding the Fourth Proportional to 112,417,223.36, 155,075,925.84 and 68,377,691.84
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Solution
The fourth proportional to 112,417,223.36, 155,075,925.84 and 68,377,691.84 is: 94,324,815.65
Step by Step Solution
- Step 1: Write the proportion equation
112,417,223.36 : 155,075,925.84 = 68,377,691.84 : x - Step 2: Convert to fraction form
112,417,223.36/155,075,925.84 = 68,377,691.84/x - Step 3: Cross multiply
112,417,223.36x = 155,075,925.84 × 68,377,691.84 - Step 4: Simplify right side
112,417,223.36x = 10,603,733,868,890,214 - Step 5: Solve for x
x = 10,603,733,868,890,214/112,417,223.36 - Step 6: Final answer
x = 94,324,815.65
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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.