Finding the Fourth Proportional to 115,658,598.22, 159,608,074.30 and 62,735,092.90
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Solution
The fourth proportional to 115,658,598.22, 159,608,074.30 and 62,735,092.90 is: 86,573,999.02
Step by Step Solution
- Step 1: Write the proportion equation
115,658,598.22 : 159,608,074.30 = 62,735,092.90 : x - Step 2: Convert to fraction form
115,658,598.22/159,608,074.30 = 62,735,092.90/x - Step 3: Cross multiply
115,658,598.22x = 159,608,074.30 × 62,735,092.90 - Step 4: Simplify right side
115,658,598.22x = 10,013,027,368,244,746 - Step 5: Solve for x
x = 10,013,027,368,244,746/115,658,598.22 - Step 6: Final answer
x = 86,573,999.02
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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.