Finding the Fourth Proportional to 252,938,763.06, 348,920,847.63 and 153,849,817.14
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Solution
The fourth proportional to 252,938,763.06, 348,920,847.63 and 153,849,817.14 is: 212,230,849.69
Step by Step Solution
- Step 1: Write the proportion equation
252,938,763.06 : 348,920,847.63 = 153,849,817.14 : x - Step 2: Convert to fraction form
252,938,763.06/348,920,847.63 = 153,849,817.14/x - Step 3: Cross multiply
252,938,763.06x = 348,920,847.63 × 153,849,817.14 - Step 4: Simplify right side
252,938,763.06x = 53,681,408,604,209,296 - Step 5: Solve for x
x = 53,681,408,604,209,296/252,938,763.06 - Step 6: Final answer
x = 212,230,849.69
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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.