Finding the Fourth Proportional to 208,348,952.90, 312,523,265.16 and 62,782,515.99
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Solution
The fourth proportional to 208,348,952.90, 312,523,265.16 and 62,782,515.99 is: 94,173,724.51
Step by Step Solution
- Step 1: Write the proportion equation
208,348,952.90 : 312,523,265.16 = 62,782,515.99 : x - Step 2: Convert to fraction form
208,348,952.90/312,523,265.16 = 62,782,515.99/x - Step 3: Cross multiply
208,348,952.90x = 312,523,265.16 × 62,782,515.99 - Step 4: Simplify right side
208,348,952.90x = 19,620,996,892,154,712 - Step 5: Solve for x
x = 19,620,996,892,154,712/208,348,952.90 - Step 6: Final answer
x = 94,173,724.51
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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.