Finding the Fourth Proportional to 51,679,643.84, 71,319,523.52 and 29,657,171.68
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Solution
The fourth proportional to 51,679,643.84, 71,319,523.52 and 29,657,171.68 is: 40,927,823.72
Step by Step Solution
- Step 1: Write the proportion equation
51,679,643.84 : 71,319,523.52 = 29,657,171.68 : x - Step 2: Convert to fraction form
51,679,643.84/71,319,523.52 = 29,657,171.68/x - Step 3: Cross multiply
51,679,643.84x = 71,319,523.52 × 29,657,171.68 - Step 4: Simplify right side
51,679,643.84x = 2,115,135,353,168,437.75 - Step 5: Solve for x
x = 2,115,135,353,168,437.75/51,679,643.84 - Step 6: Final answer
x = 40,927,823.72
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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.