Finding the Fourth Proportional to 142,440,922.13, 213,549,764.99 and 56,243,849.13
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Solution
The fourth proportional to 142,440,922.13, 213,549,764.99 and 56,243,849.13 is: 84,321,700.42
Step by Step Solution
- Step 1: Write the proportion equation
142,440,922.13 : 213,549,764.99 = 56,243,849.13 : x - Step 2: Convert to fraction form
142,440,922.13/213,549,764.99 = 56,243,849.13/x - Step 3: Cross multiply
142,440,922.13x = 213,549,764.99 × 56,243,849.13 - Step 4: Simplify right side
142,440,922.13x = 12,010,860,763,563,298 - Step 5: Solve for x
x = 12,010,860,763,563,298/142,440,922.13 - Step 6: Final answer
x = 84,321,700.42
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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.