Finding the Fourth Proportional to 138,964,827.75, 208,447,248.11 and 95,202,432.87
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Solution
The fourth proportional to 138,964,827.75, 208,447,248.11 and 95,202,432.87 is: 142,803,653.74
Step by Step Solution
- Step 1: Write the proportion equation
138,964,827.75 : 208,447,248.11 = 95,202,432.87 : x - Step 2: Convert to fraction form
138,964,827.75/208,447,248.11 = 95,202,432.87/x - Step 3: Cross multiply
138,964,827.75x = 208,447,248.11 × 95,202,432.87 - Step 4: Simplify right side
138,964,827.75x = 19,844,685,144,652,496 - Step 5: Solve for x
x = 19,844,685,144,652,496/138,964,827.75 - Step 6: Final answer
x = 142,803,653.74
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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.