Finding the Fourth Proportional to 203,803,270,489.08, 281,249,362,776.36 and 112,349,812,215.36
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Solution
The fourth proportional to 203,803,270,489.08, 281,249,362,776.36 and 112,349,812,215.36 is: 155,043,209,158.45
Step by Step Solution
- Step 1: Write the proportion equation
203,803,270,489.08 : 281,249,362,776.36 = 112,349,812,215.36 : x - Step 2: Convert to fraction form
203,803,270,489.08/281,249,362,776.36 = 112,349,812,215.36/x - Step 3: Cross multiply
203,803,270,489.08x = 281,249,362,776.36 × 112,349,812,215.36 - Step 4: Simplify right side
203,803,270,489.08x = 31,598,313,093,613,704,183,808 - Step 5: Solve for x
x = 31,598,313,093,613,704,183,808/203,803,270,489.08 - Step 6: Final answer
x = 155,043,209,158.45
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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.