Finding the Fourth Proportional to 75,149,972.51, 112,689,428.92 and 29,113,408.67
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Solution
The fourth proportional to 75,149,972.51, 112,689,428.92 and 29,113,408.67 is: 43,656,348.59
Step by Step Solution
- Step 1: Write the proportion equation
75,149,972.51 : 112,689,428.92 = 29,113,408.67 : x - Step 2: Convert to fraction form
75,149,972.51/112,689,428.92 = 29,113,408.67/x - Step 3: Cross multiply
75,149,972.51x = 112,689,428.92 × 29,113,408.67 - Step 4: Simplify right side
75,149,972.51x = 3,280,773,396,300,646 - Step 5: Solve for x
x = 3,280,773,396,300,646/75,149,972.51 - Step 6: Final answer
x = 43,656,348.59
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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.