Finding the Fourth Proportional to 93,135,651.88, 128,521,408.50 and 51,317,377
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Solution
The fourth proportional to 93,135,651.88, 128,521,408.50 and 51,317,377 is: 70,814,789.39
Step by Step Solution
- Step 1: Write the proportion equation
93,135,651.88 : 128,521,408.50 = 51,317,377 : x - Step 2: Convert to fraction form
93,135,651.88/128,521,408.50 = 51,317,377/x - Step 3: Cross multiply
93,135,651.88x = 128,521,408.50 × 51,317,377 - Step 4: Simplify right side
93,135,651.88x = 6,595,381,572,565,504 - Step 5: Solve for x
x = 6,595,381,572,565,504/93,135,651.88 - Step 6: Final answer
x = 70,814,789.39
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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.