Finding the Fourth Proportional to 62,213,128.20, 93,319,692.30 and 53,143,201.80
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Solution
The fourth proportional to 62,213,128.20, 93,319,692.30 and 53,143,201.80 is: 79,714,802.70
Step by Step Solution
- Step 1: Write the proportion equation
62,213,128.20 : 93,319,692.30 = 53,143,201.80 : x - Step 2: Convert to fraction form
62,213,128.20/93,319,692.30 = 53,143,201.80/x - Step 3: Cross multiply
62,213,128.20x = 93,319,692.30 × 53,143,201.80 - Step 4: Simplify right side
62,213,128.20x = 4,959,307,239,812,806 - Step 5: Solve for x
x = 4,959,307,239,812,806/62,213,128.20 - Step 6: Final answer
x = 79,714,802.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.