Finding the Fourth Proportional to 270,865,462.32, 373,817,390.85 and 153,411,687.18
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Solution
The fourth proportional to 270,865,462.32, 373,817,390.85 and 153,411,687.18 is: 211,721,184.89
Step by Step Solution
- Step 1: Write the proportion equation
270,865,462.32 : 373,817,390.85 = 153,411,687.18 : x - Step 2: Convert to fraction form
270,865,462.32/373,817,390.85 = 153,411,687.18/x - Step 3: Cross multiply
270,865,462.32x = 373,817,390.85 × 153,411,687.18 - Step 4: Simplify right side
270,865,462.32x = 57,347,956,627,524,000 - Step 5: Solve for x
x = 57,347,956,627,524,000/270,865,462.32 - Step 6: Final answer
x = 211,721,184.89
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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.