Finding the Fourth Proportional to 250,791,337.20, 346,142,961.84 and 144,949,248.48
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Solution
The fourth proportional to 250,791,337.20, 346,142,961.84 and 144,949,248.48 is: 200,059,390.99
Step by Step Solution
- Step 1: Write the proportion equation
250,791,337.20 : 346,142,961.84 = 144,949,248.48 : x - Step 2: Convert to fraction form
250,791,337.20/346,142,961.84 = 144,949,248.48/x - Step 3: Cross multiply
250,791,337.20x = 346,142,961.84 × 144,949,248.48 - Step 4: Simplify right side
250,791,337.20x = 50,173,162,185,349,312 - Step 5: Solve for x
x = 50,173,162,185,349,312/250,791,337.20 - Step 6: Final answer
x = 200,059,390.99
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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.