Finding the Fourth Proportional to 99,368,430.78, 149,058,600.21 and 31,211,122.53
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Solution
The fourth proportional to 99,368,430.78, 149,058,600.21 and 31,211,122.53 is: 46,818,553.93
Step by Step Solution
- Step 1: Write the proportion equation
99,368,430.78 : 149,058,600.21 = 31,211,122.53 : x - Step 2: Convert to fraction form
99,368,430.78/149,058,600.21 = 31,211,122.53/x - Step 3: Cross multiply
99,368,430.78x = 149,058,600.21 × 31,211,122.53 - Step 4: Simplify right side
99,368,430.78x = 4,652,286,235,304,594 - Step 5: Solve for x
x = 4,652,286,235,304,594/99,368,430.78 - Step 6: Final answer
x = 46,818,553.93
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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.