Finding the Fourth Proportional to 75,149,972.32, 112,689,428.64 and 29,113,408.48
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Solution
The fourth proportional to 75,149,972.32, 112,689,428.64 and 29,113,408.48 is: 43,656,348.31
Step by Step Solution
- Step 1: Write the proportion equation
75,149,972.32 : 112,689,428.64 = 29,113,408.48 : x - Step 2: Convert to fraction form
75,149,972.32/112,689,428.64 = 29,113,408.48/x - Step 3: Cross multiply
75,149,972.32x = 112,689,428.64 × 29,113,408.48 - Step 4: Simplify right side
75,149,972.32x = 3,280,773,366,983,232 - Step 5: Solve for x
x = 3,280,773,366,983,232/75,149,972.32 - Step 6: Final answer
x = 43,656,348.31
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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.