Finding the Fourth Proportional to 302,213,964.20, 453,208,971.90 and 97,748,709.80
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Solution
The fourth proportional to 302,213,964.20, 453,208,971.90 and 97,748,709.80 is: 146,586,847.47
Step by Step Solution
- Step 1: Write the proportion equation
302,213,964.20 : 453,208,971.90 = 97,748,709.80 : x - Step 2: Convert to fraction form
302,213,964.20/453,208,971.90 = 97,748,709.80/x - Step 3: Cross multiply
302,213,964.20x = 453,208,971.90 × 97,748,709.80 - Step 4: Simplify right side
302,213,964.20x = 44,300,592,273,009,448 - Step 5: Solve for x
x = 44,300,592,273,009,448/302,213,964.20 - Step 6: Final answer
x = 146,586,847.47
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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.