Finding the Fourth Proportional to 343,972,817.19, 516,181,201.43 and 125,604,876.15
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Solution
The fourth proportional to 343,972,817.19, 516,181,201.43 and 125,604,876.15 is: 188,488,370.70
Step by Step Solution
- Step 1: Write the proportion equation
343,972,817.19 : 516,181,201.43 = 125,604,876.15 : x - Step 2: Convert to fraction form
343,972,817.19/516,181,201.43 = 125,604,876.15/x - Step 3: Cross multiply
343,972,817.19x = 516,181,201.43 × 125,604,876.15 - Step 4: Simplify right side
343,972,817.19x = 64,834,875,875,945,336 - Step 5: Solve for x
x = 64,834,875,875,945,336/343,972,817.19 - Step 6: Final answer
x = 188,488,370.70
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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.