Finding the Fourth Proportional to 352,159,068.47, 485,970,267.35 and 195,522,148.13
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Solution
The fourth proportional to 352,159,068.47, 485,970,267.35 and 195,522,148.13 is: 269,815,430.32
Step by Step Solution
- Step 1: Write the proportion equation
352,159,068.47 : 485,970,267.35 = 195,522,148.13 : x - Step 2: Convert to fraction form
352,159,068.47/485,970,267.35 = 195,522,148.13/x - Step 3: Cross multiply
352,159,068.47x = 485,970,267.35 × 195,522,148.13 - Step 4: Simplify right side
352,159,068.47x = 95,017,950,597,641,360 - Step 5: Solve for x
x = 95,017,950,597,641,360/352,159,068.47 - Step 6: Final answer
x = 269,815,430.32
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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.