Finding the Fourth Proportional to 71,539,123,247.04, 98,721,115,789.44 and 38,985,645,624
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Solution
The fourth proportional to 71,539,123,247.04, 98,721,115,789.44 and 38,985,645,624 is: 53,798,624,599.89
Step by Step Solution
- Step 1: Write the proportion equation
71,539,123,247.04 : 98,721,115,789.44 = 38,985,645,624 : x - Step 2: Convert to fraction form
71,539,123,247.04/98,721,115,789.44 = 38,985,645,624/x - Step 3: Cross multiply
71,539,123,247.04x = 98,721,115,789.44 × 38,985,645,624 - Step 4: Simplify right side
71,539,123,247.04x = 3,848,706,435,772,978,823,168 - Step 5: Solve for x
x = 3,848,706,435,772,978,823,168/71,539,123,247.04 - Step 6: Final answer
x = 53,798,624,599.89
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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.