Finding the Fourth Proportional to 190,058,768.23, 285,130,142.75 and 68,887,070.95
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Solution
The fourth proportional to 190,058,768.23, 285,130,142.75 and 68,887,070.95 is: 103,345,825.91
Step by Step Solution
- Step 1: Write the proportion equation
190,058,768.23 : 285,130,142.75 = 68,887,070.95 : x - Step 2: Convert to fraction form
190,058,768.23/285,130,142.75 = 68,887,070.95/x - Step 3: Cross multiply
190,058,768.23x = 285,130,142.75 × 68,887,070.95 - Step 4: Simplify right side
190,058,768.23x = 19,641,780,373,602,880 - Step 5: Solve for x
x = 19,641,780,373,602,880/190,058,768.23 - Step 6: Final answer
x = 103,345,825.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.