Finding the Fourth Proportional to 203,803,270,592.78, 281,249,362,919.37 and 112,349,812,319.06
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Solution
The fourth proportional to 203,803,270,592.78, 281,249,362,919.37 and 112,349,812,319.06 is: 155,043,209,301.50
Step by Step Solution
- Step 1: Write the proportion equation
203,803,270,592.78 : 281,249,362,919.37 = 112,349,812,319.06 : x - Step 2: Convert to fraction form
203,803,270,592.78/281,249,362,919.37 = 112,349,812,319.06/x - Step 3: Cross multiply
203,803,270,592.78x = 281,249,362,919.37 × 112,349,812,319.06 - Step 4: Simplify right side
203,803,270,592.78x = 31,598,313,138,846,412,308,480 - Step 5: Solve for x
x = 31,598,313,138,846,412,308,480/203,803,270,592.78 - Step 6: Final answer
x = 155,043,209,301.50
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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.