Finding the Fourth Proportional to 75,223,226.88, 112,834,865.40 and 49,658,257.62
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Solution
The fourth proportional to 75,223,226.88, 112,834,865.40 and 49,658,257.62 is: 74,487,402.99
Step by Step Solution
- Step 1: Write the proportion equation
75,223,226.88 : 112,834,865.40 = 49,658,257.62 : x - Step 2: Convert to fraction form
75,223,226.88/112,834,865.40 = 49,658,257.62/x - Step 3: Cross multiply
75,223,226.88x = 112,834,865.40 × 49,658,257.62 - Step 4: Simplify right side
75,223,226.88x = 5,603,182,814,551,224 - Step 5: Solve for x
x = 5,603,182,814,551,224/75,223,226.88 - Step 6: Final answer
x = 74,487,402.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.