Finding the Fourth Proportional to 186,050,699.92, 256,749,966.30 and 103,563,970.84
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Solution
The fourth proportional to 186,050,699.92, 256,749,966.30 and 103,563,970.84 is: 142,918,279.99
Step by Step Solution
- Step 1: Write the proportion equation
186,050,699.92 : 256,749,966.30 = 103,563,970.84 : x - Step 2: Convert to fraction form
186,050,699.92/256,749,966.30 = 103,563,970.84/x - Step 3: Cross multiply
186,050,699.92x = 256,749,966.30 × 103,563,970.84 - Step 4: Simplify right side
186,050,699.92x = 26,590,046,023,064,184 - Step 5: Solve for x
x = 26,590,046,023,064,184/186,050,699.92 - Step 6: Final answer
x = 142,918,279.99
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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.