Finding the Fourth Proportional to 152,894,242.90, 229,299,507.97 and 42,203,451.62
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Solution
The fourth proportional to 152,894,242.90, 229,299,507.97 and 42,203,451.62 is: 63,293,623.80
Step by Step Solution
- Step 1: Write the proportion equation
152,894,242.90 : 229,299,507.97 = 42,203,451.62 : x - Step 2: Convert to fraction form
152,894,242.90/229,299,507.97 = 42,203,451.62/x - Step 3: Cross multiply
152,894,242.90x = 229,299,507.97 × 42,203,451.62 - Step 4: Simplify right side
152,894,242.90x = 9,677,230,691,101,698 - Step 5: Solve for x
x = 9,677,230,691,101,698/152,894,242.90 - Step 6: Final answer
x = 63,293,623.80
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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.