Finding the Fourth Proportional to 189,547,159.94, 284,320,740.63 and 45,939,991.94
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Solution
The fourth proportional to 189,547,159.94, 284,320,740.63 and 45,939,991.94 is: 68,909,988.08
Step by Step Solution
- Step 1: Write the proportion equation
189,547,159.94 : 284,320,740.63 = 45,939,991.94 : x - Step 2: Convert to fraction form
189,547,159.94/284,320,740.63 = 45,939,991.94/x - Step 3: Cross multiply
189,547,159.94x = 284,320,740.63 × 45,939,991.94 - Step 4: Simplify right side
189,547,159.94x = 13,061,692,532,917,030 - Step 5: Solve for x
x = 13,061,692,532,917,030/189,547,159.94 - Step 6: Final answer
x = 68,909,988.08
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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.