Finding the Fourth Proportional to 189,577,151.28, 261,616,404.99 and 102,657,023.28
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Solution
The fourth proportional to 189,577,151.28, 261,616,404.99 and 102,657,023.28 is: 141,666,657.59
Step by Step Solution
- Step 1: Write the proportion equation
189,577,151.28 : 261,616,404.99 = 102,657,023.28 : x - Step 2: Convert to fraction form
189,577,151.28/261,616,404.99 = 102,657,023.28/x - Step 3: Cross multiply
189,577,151.28x = 261,616,404.99 × 102,657,023.28 - Step 4: Simplify right side
189,577,151.28x = 26,856,761,377,488,340 - Step 5: Solve for x
x = 26,856,761,377,488,340/189,577,151.28 - Step 6: Final answer
x = 141,666,657.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.