Finding the Fourth Proportional to 142,860,354.21, 214,267,575.11 and 39,205,345.95
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Solution
The fourth proportional to 142,860,354.21, 214,267,575.11 and 39,205,345.95 is: 58,801,719.02
Step by Step Solution
- Step 1: Write the proportion equation
142,860,354.21 : 214,267,575.11 = 39,205,345.95 : x - Step 2: Convert to fraction form
142,860,354.21/214,267,575.11 = 39,205,345.95/x - Step 3: Cross multiply
142,860,354.21x = 214,267,575.11 × 39,205,345.95 - Step 4: Simplify right side
142,860,354.21x = 8,400,434,408,055,161 - Step 5: Solve for x
x = 8,400,434,408,055,161/142,860,354.21 - Step 6: Final answer
x = 58,801,719.02
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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.